Manolis Kellis: Meaning of Life, the Universe, and Everything | Lex Fridman Podcast #142
bgNzUxyS-kQ • 2020-11-30
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Kind: captions Language: en the following is a conversation with manolis kellis his fourth time on the podcast he's a professor at mit and head of the mit computational biology group since this is episode number and 42 as we all know is the answer to the ultimate question of life the universe and everything according to the hitchhiker's guide to the galaxy we decided to talk about this unanswerable question of the meaning of life in whatever way we two descendants of apes could muster from biology to psychology to metaphysics and to music quick mention of each sponsor followed by some thoughts related to the episode thanks to grammarly which is a service for checking spelling grammar sentence structure and readability athletic greens the all-in-one drink that i start every day with to cover all my nutritional bases and cash app the app i use to send money to friends please check out these sponsors in the description to get a discount and to support this podcast as a side note let me say that the opening 40 minutes of the conversation are all about the many songs that formed the soundtrack to the journey of monolith's life it was a happy accident for me to discover yet another dimension of depth to the fascinating mind of manolas i include links to youtube versions of many of the songs we mentioned in the description and overlay lyrics on occasion but if you're just listening to this without listening to the songs or watching the video i hope you still might enjoy as i did the passion that manolis has for music his singing of the little excerpts from the songs and in general the meaning we discuss that we pull from the different songs if music is not your thing i do give timestamps to the less musical and more philosophical parts of the conversation i hope you enjoy this little experimenting conversation about music and life if you do please subscribe on youtube review it with five stars on apple podcast follow on spotify support on patreon or connect with me on twitter at lex friedman and now here's my conversation with manolas kellis you mentioned leonard cohen and the song hallelujah as a beautiful song so what are the three songs you draw the most meaning from about life don't get me started so there's really countless songs that have marked me that have sort of shaped me in periods of joy and imperials of sadness my son likes to joke that i have a song for every sentence he will say because very often i will break into a song with a sentence he'll say my wife calls me the radio because i i can sort of recite hundreds of songs uh that have really shaped me so it's very it's gonna be very hard to just pick a few so i'm just gonna tell you a little bit about my song transition as i've grown up in greece it was very much about as i told you before the misery the poverty but also a very calming adversity so some of the songs that i that have really shaped me are uh harry salixiu for example is one of my favorite singers uh in greece and then there's also really just old traditional songs that my parents used to listen to like one of them is [Music] which is basically oh if i was rich and the song is painting this beautiful picture about all the noises that you hear in the neighborhood in his poor neighborhood the train going by the priest walking to the church and the kids crying next door and all of that and he says with all of that i'm having trouble falling asleep and dreaming if i was rich and then it was like you know um break into that so it's this juxtaposition between the spirit and the sublime and then the physical and the harsh reality it's just not having troubles not not not being miserable so basically rich to him just means out of my misery basically and then also being able to travel being able to sort of be the captain of a ship and you know see the world and stuff like that so it's just such a beautiful image so many of the greek songs just like the poetry we talked about they acknowledge the the cruelty the difficulty of life but are longing for a better life that's exactly right and another one is the holy yeah and this is one of those songs that has like a fast and joyful half and a slow and sad half and it goes back and forth between them and it's like [Music] so poor you know basically uh it's the state of being poor i don't i don't even know if there's a word for that in english and then fast parties and then it's like oh you know um basically like the state of being poor and misery uh you know for you i write all my songs etc and then the fast part is in your arms grew up and suffered and you know stood up and you know rose men with clear vision this whole concept of taking on the world with nothing to lose because you've seen the worst of it this imagery of silaki pariso pula jarastakori so it's describing the young men as cypress trees and that's probably one of my earliest exposure to a metaphor to sort of you know this very rich imagery and i love about the fact that i was reading a story to my kids the other day and it was dark and my daughter who's six is like oh can i please see the pictures and jonathan was eight so some of my daughter cleo uh is like oh let's look at the pictures and my son jonathan he's like but but cleo if you look at the pictures it's just an image if you just close your eyes and listen it's a video that's brilliant it's beautiful and he's basically showing just how much more the human imagination has besides just a few images that you know the book will give you and then another one oh gosh this one is really like miserable it's it's called perigali uh and it's basically describing how uh vigorously we took on our life and we pushed hard towards the direction that we then realized was the wrong one [Music] and it again these songs give you so much perspective there's no songs like that in english that will basically you know sort of just smack you in the face about sort of the passion and the force and the drive and then it turns out ah we just followed the wrong life yeah and it's like wow okay so that was you all right so that that's like before 12. so so you know growing up in sort of this horrendously miserable you know sort of view of romanticism of you know suffering so then my pre-teen years is like you know learning english through songs so basically you know listening to all the american pop songs and then memorizing them vocally before i even knew what they meant so you know madonna and michael jackson and all of these sort of really popular songs and you know george michael just songs that i would just listen to the radio and repeat vocally and eventually as i started learning english i was like oh wow this thing i've been repeating i know i now understand what it means without re-listening to it but just with re-repeating it was like oh again michael jackson's man in the mirror is uh teaching you that it's your responsibility to just improve yourself you know if you want to make the world a better place take a look at yourself and make the change this whole concept of again i mean all of these songs you can listen to them shallowly or you can just listen to them and say oh there's deeper meaning here and i think there's a certain philosophy of of song as a way of touching the psyche so if you look at regions of the brain people have lost their language ability because they have an accident in that region of the brain can actually sing because it's exactly the symmetric region of the brain and that again teaches you so much about language evolution and sort of the the duality of musicality and you know rhythmic patterns and eventually language do you have a sense of why songs developed so you're kind of suggesting that it's possible that there is something important about our connection with song and with music on the level of the importance of language is it possible it's not just possible in my view language comes after music language comes after song no seriously like basically my view of human cognitive evolution is rituals if you look at many early cultures there's rituals around every stage of life there's organized dance performances around mating and if you look at mate selection i mean that's an evolutionary drive right there so basically if you're not able to string together a complex dance as a bird you don't get a mate and that actually forms this development for many song learning birds not every bird knows how to sing and not every bird knows how to learn a complicated song so basically there's birds that simply have the same few tunes that they know how to play and a lot of that is inherent and genetically encoded and others are birds that learn how to sing and the you know if you look at a lot of these exotic birds of paradise and stuff like that like the mating rituals they have are enormously amazing and i think human mating rituals of you know ancient tribes are not very far off from that and in my view the sequential formation of these movements is a prelude to the cognitive capabilities that ultimately enable language and it's fascinating to think that that's uh not just an accidental precursor to intelligence yeah it's uh sexually selected it's well sexually selected and it's a prerequisite yeah it's like it's required for intelligence and and even as language has now developed i think the artistic expression is needed like badly needed by our brain so it's not just that oh our brain can kind of you know take a break and go do that stuff no i mean you know i don't know if you remember that scene from oh gosh we're certain technical movie in new hampshire uh all all working no play make jackal dull boy boy uh the shining the shining so there's this amazing scene where he's constantly trying to to concentrate and what what's coming out of the typewriters is gibberish and i have that image as well when i'm when i'm working and i'm like no basically all of this crazy you know huge number of hobbies that i have they're not just tolerated by my work they're required by my work this ability of sort of stretching your brain in all these different directions is connecting your emotional self and your cognitive self and that's a prerequisite to being able to be cognitively capable at least in my view yeah i wonder if the world without art and music you're just making me realize that perhaps that world would be not just devoid of fun things to look at or listen to but devoid of all the other stuff all the bridges and rockets and science exactly exactly creativity is not disconnected from art and you know my kids i mean you know i could be doing the full math treatment to them no they play the piano and they play the violin and they play sports i mean this whole you know sort of movement and going through mazes and playing tennis and you know playing soccer and avoiding obstacles and all of that that forms your three-dimensional view of the world being able to actually move and run and play in three dimensions is extremely important for math for you know stringing together complicated concepts it's the same underlying cognitive machinery that is used for navigating mazes and for navigating theorems and sort of solving equations so i can't you know i can't have a conversation with my students without you know sort of either using my hands or opening the white board in zoom and just constantly drawing or you know back when we had in-person meetings just the whiteboard in my lifeboard yeah that that's fascinating to think about uh so that's michael jackson man amir careless whisper george michael which is the song i like whisper i mean i didn't say that i like that one that's me i had two parties i had recorded no no that it's an amazing song for me i had recorded a small part of it as it played at the tail end of the radio and i had a tape where i only had part of that song over and over and over again just so beautiful it's so heartbreaking that song is almost greek it's so heartbreaking i know george michael he's greek is he great he's greek he's known george michael he's right i mean he's greedy yeah you know so sorry to offend you so deeply not knowing this so okay so anyway so we're moving to france when i'm 12 years old and now i'm getting into the songs of gansburg so gansburg is this incredible french composer he is always seen on stage like not even pretending to try to please just like with his cigarette just like mumbling his songs but the lyrics are unbelievable like basically entire sentences will rhyme he will say the same thing twice and you're like whoa [Laughter] and in fact another speaking of greek a french greek george mustachy this song is just magnificent avec magulo demetec de chief eran de patragrec so with my face of metec is actually a greek word it's uh you know it's a french word for a greek word but met mean comes from meta and then ek from ikea from ecology which means home so medtech is someone who has changed homes for a migrant so with my face of a migrant and and you'll love this one the juice the patrick of a meandering jew of greek pastor [Laughter] so again you know the russian greek you know jew orthodox connection so emesis with my hair in the four wings avec mesut de la vega with my eyes that are all washed out who gives me the pretense of dreaming but who don't dream that much anymore with my hands of thief of musician and who have stolen so many gardens with my mouth that has drunk that has kissed and that has bitten without ever pleasing its hunger with my skin that has been rubbed in the sun of all the summers and anything that was wearing a skirt with my heart and then you have to listen to this first it's so beautiful fair with my heart that knew how to make suffer as much as it suffered but was able to that knew how to make in french is actually fair that knew how to make yes verses that span the whole thing it's just beautiful you know yeah on a small tangent do you know jack jacques bro of course of course that song gets me every time so there's a cover of that song by one of my favorite female artists not nina simone no no no no modern carol emerald she's um from amsterdam and uh she she has a version of new mexico where she's actually added some english lyrics [Music] and it's it's really beautiful but again the mekita pai is just so i mean it's you know the promises yeah the volcanoes that you know will restart yeah it's just so beautiful and uh i love so there's not many songs that so sh shows such depth of desperation for another human being that that's so powerful [Music] and then high school now i'm starting to learn english so i moved to new york so stings englishman in new york yeah magnificent song and again there's if manners magus man has someone said then he's the hero of the day it takes a man to suffer ignorance and smile be yourself no matter what they say and then takes more than combat gear to make a man takes more than a license for a gun confront your enemies avoid them when you can a gentleman will walk but never run it's it again you're talking about songs that teach you how to live i mean this is one of them basically says it's not the combat gear that makes a man where's the part where he says uh there you go gentle uh gentleness sobriety a rare in this society at night a candle is brighter than the sun so beautiful he basically says well you just might be the only one modesty propriety can lead to notoriety you could end up as the only one it's um it basically tells you you don't have to be like the others be yourself show kindness show generosity don't you know don't let that anger get to you you know the song fragile how fragile we are how fragile we are so again as in greece i didn't even know what that meant how fragile we are but the song was so beautiful and then eventually i learned english and i actually understand the lyrics and the song is actually written after the contras murdered ben linder in 1987 and the us eventually turned against supporting these guerrillas and it was just a political song but so such a realization that you can't win with violence basically and that song starts with the most beautiful poetry so if blood will flow when flesh and steel are won drying in the color of the evening sun tomorrow's rain will wash the stains away but something in our minds will always stay perhaps this final act was meant to clinch a lifetime's argument that nothing comes from violence and nothing ever could for all those born beneath an angry star lest we forget how fragile we are damn right i mean that's poetry it was beautiful and he's using the english language in just such a refined way with deep meanings but also words that rhyme just so beautifully and evocations of when flesh and steel are won i mean it's just mind-boggling yeah and then of course the refrain that everybody remembers is on and on the rain will fall etc but like this beginning yeah and again tears from a star how fragile we are i mean just these rhymes are just flowing so naturally this something it's it seems that more meaning comes when there's a rhythm that uh i don't know what what that is that probably connects to exactly what you're saying if you pay close attention you will notice that the more obvious words sometimes are the second verse and the less obvious are often the first verse because it makes the second verse flow much more naturally because otherwise it feels contrived oh you went and found this like unusual word yes in dark moments uh the whole album of pink floyd and the movie just marked me enormously yeah as a as a teenager just the wall um and there's one song that never actually made it into the album that's only there in the movie about when the tigers broke free and the tigers are the tanks of the germans and it just describes again this vivid imagery it was just before dawn one miserable morning in black 44 when the forward commander was told to sit tight when he asked that his men be withdrawn and the generals gave thanks as the other ranks held back the enemy tanks for a while and the ancient bridgehead was held for the price of a few hundred ordinary lives so that's a theme that keeps coming back in pink floyd with us versus them us and them god only knows that's not what we would choose to do forward he cried from the rear and the front rows died from another song it's like this whole concept of us versus them and there's that theme of us versus them again where the child is discovering how his father died when he finds an old and founded one day in a draw the whole photographs hidden away and my eyes still grow damp to remember his majesty signed with his own rubber stamp so it's so ironic because it seems the way that he's writing it that he's not crying because his father was lost he's crying because kind old king george took the time to actually write mother a note about the fact that his father died it's so ironic because he basically says we are just ordinary men and of course we're disposable so i don't know if you know the root of the word pioneers but you had a chess board here earlier a pawn in france is a pyong they are the ones that you send to the front to get murdered slaughter this whole concept of pioneers having taken these whole disposable ordinary men to actually be the ones that you know we're now treating as heroes so anyway there's this just supposition of that and then the part that always just strikes me is the music and the tonality totally changes and now he describes the attack it was dark all around there was frost in the ground when the tigers broke free and no one survived from the royal fusiliers company z they were all left behind most of them dead the rest of them dying and that's how the high command took my daddy from me and that song even though it's not in the album explains the whole movie because it's this movie of misery it's this movie of someone being stuck in their head and not being able to get out of it there's no other movie that i think has captured so well this prison that is someone's own mind and this wall that you're stuck inside in this you know feeling of loneliness and so if is there anybody out there uh and you know sort of hello hello is there anybody in there just not if you can hear me is there anyone who [Music] anyway so yeah the prison of your mind so those are the darker moments exactly these are the darker moments yeah it's in the darker moments the mind does feel like you're you're trapped in alone in a room with it yeah and there's this this scene in the movie which like where he just breaks out with his guitar and there's this prostitute in the room he starts throwing stuff and then he like you know breaks the window he throws the chair outside and then you see him laying in the pool with his own blood like you know everywhere and then there's these endless hours spent fixing every little thing and lining it up and it's this whole sort of mania versus you know you can spend hours building up something and just destroy it in a few seconds one of my turns is that song and it's like i feel cold as eternity dry as a funeral drum and then the music people are saying run to the bedroom there's a suitcase on the left you'll find my favorite axe don't look so frightened this is just a passing phase one of my bad days it's just so beautiful i need to rewatch it that's so yeah but imagine you're watching this as a teenager it like ruins your mind like so many such harsh imagery and then um you know anyway so so there's the dark moment and then again going back to sting now it's the political songs russians and i think that song should be a a new national anthem for the u.s not for russians but for red versus blue mr khrushchev says we will bury you i don't subscribe to this point of view it'd be such an ignorant thing to do if the russians love their children too what is it doing it's basically saying the russians are just as humans as we are there's no way that they're going to let their children die and then it's just so beautiful how can i save my innocent boy from oppenheimer's deadly toy and now that's the new national anthem are you reading there isn't no monopoly of common sense on either side of the political fence we share the same biology regardless of ideology believe me when i say to you i hope the russians love their children too [Music] there's no such thing as a winnable war it's a lie we don't believe anymore i mean it's beautiful right and for god's sake america wake up these are your fellow americans they're your your fellow biology you know there is no monopoly of common sense on either side of the political fans it's just so beautiful there's no crisper simpler way to say russians love their children too the the common humanity yeah and remember the what i was telling you i think in one of her first podcasts about the the daughter who's crying for her husband from for her brother to come back for more and then the virgin mary appears and says who should i take instead this turk here's his family here's his children this other one he just got married etc and that basically says no i mean if you look at the lord of the rings the enemies are these monsters they're not human and that's what we always do we always say they you know they're not like us they're different they're not humans etc so there's this dehumanization that has to happen for people to go to war you know if you realize just how close we are genetically one with the other this whole 99.9 identical you can't bear weapons against someone who's like that and the things that are the most meaningful to us in our life lies at every level is the same on all sides on both sides exactly so not just that we're genetically the same yeah we're ideologically the same we love our children we love our country we will you know we will fight for our family yeah so and the last one i mentioned last time we spoke which is johnny mitchell's both sides now so she she has three rounds one on clouds one on love and one on life and on cloud she says rose and flows of angel hair and ice cream castles in the air and feather canyons everywhere have looked at clouds that way but now they only block the sun they rain and snow on everyone so many things i would have done but clouds got in my way and then i've looked at clouds from both sides now from up and down and still somehow it's clouds illusions i recall i really don't know clouds at all and then she goes on about love how it's super super happy or it's about misery and loss and about life how it's about winning and losing and so so forth but now old friends are acting strange they shake their heads they say i've changed well some things lost since something's gained and living every day so again that's growing up and realizing that well the view that you had as a kid is not necessarily that you have as an adult i remember my poem from when i was 16 years old of this whole you know children dance now all in row and then in the end even though the snow seems bright without you have lost their light sound that sang and moon that smiled so this whole concept of if you have love and if you have passion you see the exact same thing from a different way you can go out running in the rain or you could just stay in and say ah sucks i won't be able to go outside now both sides anyway and the last one is last last one from leonard cohen this is amazing by the way you're i'm so glad we stumbled on how much how much joy you have in so many avenues of life and music is just one of them that's amazing but yes leno cohen going back to the undercover and since that's where you started so uh leonard cohen's danced me to the end of love that's what that was our opening song in our wedding with my wife oh no that's what came out to greet the guest he was dancing to the end of love and then another one which is just so passionate always and we always keep referring back to it is uh i'm your man and it goes on and on about sort of i can be every type of lover for you and what's really beautiful in marriage is that we live that with my with my wife every day you can have the passion you can have the anger you can have the love you can have the tenderness there's just so many gems in that song if you want a partner take my hand or if you want to strike me down in anger here i stand i'm your man then if you want a boxer i will step into the ring for you if you want a driver climb inside or if you want to take me for a ride you know you can so this whole concept of you want to drive i'll follow you want me to drive i'll drive um and the difference i would say between like that and namaki to paw is this song he's got an attitude he's like uh he's proud of this his ability to basically be any kind of man for the money as opposed to the jacques brown like desperation of what do i have to be for you to love me that kind of desperation but but but notice there's a parallel here there's a verse that is perhaps not paid attention to as much which says ah but a man never got a woman back not by begging on his knees so it seems that the amber man is actually an apology song in the same way that number kitty pie is an apology song i'm sorry baby and in the same way that the careless whisper is now screwed up yes that's right i'm never gonna dance again guilty feet have got no rhythm um so so this is an apology song not by begging on his knees or i'd crawl to you baby and i'd fall at your feet and not howl at your beauty like a dog heat and i'd close at your heart not tear at your sheet i'd say please and then the the last one is so beautiful if you want a father for your child or only one to walk with me a while across the sand i'm your man that's the the last verses which basically says you want me for a day i'll be there do you want me to walk i'll be there you want me for life if you want a father for your child i'll be there too it's just so beautiful oh sorry remember i told you i was going to finish with a lighthearted song yes ah last one you ready so yeah alison krause and union station country song believe it or not the lucky one so i i've never identified as much with the uh lyrics of a song as this one and it's hilarious my friend serving patoglo is the guy who got me to genomics in the first place i owe enormously to him and he's another greek we actually met dancing believe or not so we used to perform greek dances uh i was the president of the international students association so we put on these big performances for 500 people at mit and uh there's a picture on the mit tech where seraphim who's like you know bodybuilder was holding on his shoulder and i was like like doing maneuvers in the air basically um so anyway this guy seraphim um we were driving back from um a conference and there's this russian girl who was describing how every member of her family had been either killed by the communists or killed by the germans were killed like she had just like you know misery like death and you know sickness and everything everyone was decimated in her family she was the last standing member and we stopped at a the serpent was driving and we stopped at a at a rest area and he he takes me aside and he's like manolis we're gonna crash [Laughter] get her out of my car and then he basically says but but but i'm only reassured because you're here with me and i'm like what do you mean he's like he you know he's like from your smile i know you're the luckiest man on the planet so there's this really funny thing where i just feel freaking lucky all the time and it's an it's a question of attitude of course i'm not any luckier than any other person but if it's science something horrible happens to me i'm like and in fact even in that song the the song about sort of you know walking on the beach and this you know sort of taking our life the wrong way and then you know having to turn around at some point he's like you know in the fresh sand we wrote her name aurea buffy so bad so shows how nicely that the wind blew and the writing was erased so again it's this whole sort of not just saying ah bummer but oh great i just lost this this must mean something right horrible thing happened it must open uh that's the door turns and you do a beautiful chapter so so alison krause is talking about the lucky one so i was like oh my god she wrote a song for me and she goes you're the lucky one i know that now as free as the wind blowing down the road loved by many hated by none i'd say you were lucky cause you know what you've done not the care in the world not the worrying side everything's gonna be all right cause you're the lucky one and then she goes uh you're the lucky one always having fun a jack of all trades a master of none you look at the world with the smiling eyes and laugh at the devil as his train rolls by i'll give you a song and a one-night stand you'll be looking at the happy man because you're the lucky one it basically says if you just don't worry too much if you don't try to be you know a one hor a one-trick pony if you just embrace the fact that you might suck at a bunch of things but you're just gonna try a lot of things and then there's another verse that says well you're blessed i guess but never knowing which road you're choosing to you the next best thing to playing and winning is playing and losing it's just so beautiful because it basically says if you try your best but it's still playing if you lose it's okay you had an awesome game and um again superficially it sounds like a super happy song but then there's a the last verse basically says no matter where you are that's where you'll be you can bet your luck won't follow me just give you a song and then one night stand you'll be looking at a happy man and in the video of the song she just walks away or he just walks away or something like that and it basically tells you that freedom comes at a price freedom comes at the price of non-commitment this whole sort of vertical love of births will cry you can't really love unless you cry you can't just be the lucky one the happy boy and yet have a long-term relationship so it's you know on one hand i identify with the shallowness of this song of you know you're the lucky one jack of all trades or master none but at the same time i identify with a lesson of well you can't just be the happy mary go lucky all the time sometimes you have to embrace loss and sometimes you have to embrace suffering and sometimes you have to embrace that if you have a safety net you're not really committing enough you're not you know basically you're allowing yourself to slip but if you just go all in and you just you know let go of your reservations that's when you truly will get somewhere so anyway that's like the the i managed to narrow it down to what 15 songs thank you for that wonderful journey that you just took us on the the the the darkest possible places of greek song to uh to ending in this a country song i haven't heard it before but uh that's exactly right i feel the same way depending depending on the day is this the luckiest human on earth and there's some there's something to that but you're right it it needs to be we need to now return to the muck of life in order to be able to to uh to truly enjoy it so that's what you mean muck what's muck uh the messiness of life the things the word things don't turn out the way you expect it to yeah the way so like to feel lucky is like focusing on the on the beautiful consequences yeah but then that feeling of things being different than you expected that uh you stumble in all the kinds of ways that that seems to be needs to be paired with the feeling there's basically one way the only way not to make mistakes is to never do anything right basically you have to embrace the fact that you'll be wrong so many times in so many research meetings i just go off on a tangent and say let's think about this for a second and it's just crazy for me who's a computer scientist to just tell my biologist friends what if biology kind of worked this way and they humor me they just let me talk and rarely has it not gone somewhere good it's not that i'm always right but it's always something worth exploring further that if you're an outsider with humility and knowing that i'll be wrong a bunch of times but i'll challenge your assumptions you know and often take us to a better place is part of this whole sort of messiness of life like if you don't try and lose and get hurt and suffer and cry and just break your heart and all these feelings of guilt and you know wow i did the wrong thing of course that's part of life and that's just something that you know if you are the a doer you'll make mistakes if you're a criticizer yeah sure you can still sit back and criticize everybody else for the mistakes they make or instead you can just be out there making those mistakes and frankly i'd rather be the criticized one than the criticizer brilliantly put every time somebody steals my bicycle i say well i know my son is like why do they steal our bicycle that and i'm like aren't aren't you happy that you have bicycles that people can steal i'd rather be the person stolen from than the steeler yeah not the critic that counts yeah so that's we've just talked amazingly about life from the music perspective let's uh talk about life from human life from perhaps other perspective and it's meaning so this is episode 142. uh there is perhaps uh an absurdly uh deep meaning to the number 42 that uh the our culture has has elevated so this is a perfect time to talk about the meaning of life we've talked about it already but do you think this question that's so simple and so seemingly absurd has value of what is the meaning of life is it something that raising the question and trying to answer it is that a ridiculous pursuit or is this some value is it answerable at all so first of all i i feel that we owe it to your listeners to say why 42 sure so of course the hitchhiker's guide to the galaxy came up with 42 as basically a random number just you know the author just pulled it out of a hat and he's admitted so he said mile 42 just seemed like just random numbers any but in fact there's many numbers that are linked to 42. so 42 again just just to summarize is the answer that these super mega computer that had computed for a million years with the most powerful computer in the world had come up with at some point the computer says um i have an answer and they're like what it's like you're not going to like it like what is it it's 42. and then the irony is that they had forgotten of course what the question was yes so now they have to build a bigger computer to figure out what the question was the question to which the answer is 42. so as i was turning 42 i basically sort of researched uh why 42 is such a cool number and it turns out that and i put together this little passage that was explaining to all those guests to my 42nd birthday party why we were talking about the meaning of life and basically talked about how 42 is the angle at which light reflects off of water to create a rainbow and it's so beautiful because the rainbow is basically the combination of sort of it's been raining but there's hope because the sun just came out it's a very beautiful number there so 42 is also the sum of all rows and columns of a magic cube that contains all consecutive integers starting at one so basically if you if you take all integers between one and however many vertices there are the sums is always 42. 42 is the only number left under 100 for which the equation of x to the cube plus y to the q plus z to the cube is n and was not known to not have a solution and now it's the you know it's the only one that actually has a solution 42 is also 1 0 1 0 1 0 in binary again the yin and the yang the good and the evil one and zero the balance of the force 42 is the number of chromosomes for the giant panda and the giant panda i know it's totally random or a suspicious symbol of great strength coupled with peace friendship gentle temperament harmony balance and friendship whose black and white colors again symbolize yin and yang the reason why it's the symbol for china is exactly the strength but yet peace and so forth so 42 chromosomes it takes light 10 to the minus 42 seconds to cross the diameter of a proton connecting the two fundamental dimensions of space and time 42 is the number of times a piece of paper should be folded to reach beyond the moon so um which is what i assume my students mean when they ask that their paper reaches for the stars i just tell them just fold it a bunch of times 42 is the number of messier object 42 which is orion and that's you know one of the most famous galaxies it's i think also the place where we can actually see the center of our galaxy uh 42 is the numeric representation of the star symbol in ascii which is very useful when searching for the stars yeah and also a regex for life the universe and everything so star [Laughter] in egyptian mythology the goddess ma'at which was personifying truth and justice would ask 42 questions to every dying person and those answering successfully would become stars continue to give life and fuel universal growth in judaic tradition goddess scribe is ascribed a 42-lettered name entrusted only to the middle age pius meek free from bad temper sober and not insistent on his rights and in christian tradition there's 42 generations from abraham isaac that we talked about the story of isaac jacob eventually joseph mary and jesus in kabbalistic tradition eloka which is 42 is the number with which god creates the universe starting with 25 letter b and ending with 17 good so 25 plus you know 17. there's this 42 chapter sutra which is the first indian religious scripture which was translated to chinese thus introducing buddhism to china from india the 42 line bible was the first printed book making the mark marking the age of printing in the 1450s and the dissemination of knowledge eventually leading to the enlightenment a yeast cell which is uh called a single cell eukaryote and the subject of my phd research has exactly 42 million proteins anyway so so there's seriously you're on fire with this these are really good so i guess what you're saying is just a random number yeah basically so all of these are acronyms so you know after you have the number you figure out why that don't work so anyway so uh now that we've spoken about why 42 uh why do we search for meaning and uh you're asking you know will that search ultimately lead to our destruction and my my thinking is exactly the opposite so basically that asking about meaning is something that's so inherent to human nature it's something that makes life beautiful that makes it worth living and that searching for meaning is actually the point it's not defining it i think when you found it you're dead yeah don't don't ever be satisfied that you know i've got it so i like to say that life is lived forward but it only makes sense backward and i don't remember whose quote that is but the the the whole search itself is the meaning and what i love about it is that there's a double search going on there's a search in every one of us through our own lives to find meaning and then there's a search which is happening for humanity itself to find our meaning and we as humans like to look at animals and say of course they have a meaning like a dog has its meaning it's just a bunch of instincts you know running around loving everything um you know remember a joke with a cat in the dark no no so so um and i i'm noticing the yin yang symbol right here with this whole panda black and white and the zero one zero one five with that 42. some of those are gold ascii value for uh the star symbol damn anyway so so basically in my view the the search for meaning and the act of uh searching for something more meaningful is life's meaning by itself but the fact that we kind of always hope that yes maybe for animals that's not the case but maybe humans have something that we should be doing and something else and it's not just about procreation it's not just about dominance it's not just about strength and feeding et cetera like we're the one species that spends such a tiny little minority of its time feeding that we have this enormous you know huge cognitive capability that we can just use for all kinds of other stuff and that's where art comes in that's where you know the healthy mind comes in with you know exploring all of these different aspects that are just not directly tied to um to a purpose that's not directly tied to a function it's really just the the playing of life the you know not not for particular reason do you think this thing we got this this mind is unique in the universe in terms of how difficult it is to build so is it possible that we're the the most beautiful thing that the universe has constructed both the most beautiful the most ugly but certainly the most complex so look at evolutionary time uh the dinosaurs ruled the earth for 135 million years we've been around for a million years so one versus 135. so dinosaurs were extinct you know about 60 million years ago and mammals that had been happily evolving as tiny little creatures for 30 million years then took over the planet and then you know dramatically radiated about 60 million years ago out of these mammals came the neocortex formation so basically the the neocortex which is sort of the outer layer of our brain compared to our quote-unquote reptilian brain which we share the structure of with all of the dinosaurs they didn't have that and yet they ruled the planet so how many other planets have still you know mindless dinosaurs where strength was the only dimension uh ruling the planet so there was something weird that annihilated the dinosaurs and again you could look at biblical things of sort of god coming and wiping out his creatures and yes to make room for the next ones so the mammals basically sort of took off the planet and then grew this cognitive capability of this general-purpose machine and primates push that to extreme and humans among primates have just exploded that hardware but that hardware is selected for survival it's selected for procreation it's initially selected with this very simple darwinian view of the world of random mutation ruthless selection and then selection for making more of yourself if you look at human cognition it's gone down a weird evolutionary path in the sense that we are expending an enormous amount of energy on this apparatus between our ears that is wasting what 15 of our bodily energy 20 like some enormous percentage of our calories go to function our brain no other species makes that big of a commitment that has basically taken energetic changes for efficiency on the metabolic side for humanity to basically power that thing and our brain is both enormously more efficient than other brains but also despite this efficiency enormously more energy consuming so and if you look at just the sheer folds that the human brain has again our skull could only grow so much before it could no longer go through the pelvic opening and kill the mother at every birth so but yet the fault continued effectively creating just so much more capacity the evolutionary uh context in which this was made is enormously fascinating and it has to do with other humans that we have now killed off or that have gone extinct and that has now created this weird place of humans on the planet as the only species that has this enormous hardware so that can basically make us think that there's something very weird and unique that happened in human evolution that perhaps has not been recreated elsewhere maybe the asteroid didn't hit you know sister earth and the dinosaurs are still ruling and you know any any kind of proto-human is squished and eaten for breakfast basically however we're not as unique as we like to think because there was this enormous diversity of other human-like forms and once you make it to that stage where you have a neocortex-like explosion of wow we're now competing on intelligence and we're now competing on social structures and we're now competing on larger and larger groups and being able to coordinate and being able to have empathy the concept of empathy the concept of an ego the concept of a self of self-awareness comes probably from being able to project another person's intentions to understand what they mean when you have these large cognitive groups large social groups so me being able to sort of create a mental model of how you think may have come before i was able to create a personal mental model of how do i think so this introspection probably came after this sort of projection and this empathy which basically means you know passion pathos suffering but basically sensing so basically empathy means feeling what you're feeling trying to project your emotional state onto my cognitive apparatus and i think that is what eventually led to this enormous cognitive explosion that happened in humanity so you know life itself in my view is inevitable on every planet inevitable inevitable but the evolution of life to self-awareness and cognition and all the incredible things that humans have done you know that might not be as inevitable that's your intuition so uh if you were to sort of uh estimate and bet some money on it if we re-ran earth a million times would what we got now be the most special thing and how often would it be so scientifically speaking how repeatable is this experiment so this whole cognitive revolution yes maybe not maybe not basically i feel that the longevity of you know dinosaurs suggests that it was not quite inevitable that we uh that we humans eventually uh made it what you're also implying one thing here you're saying you're implying that humans also don't have this longevity this is the interesting question so with the fermi paradox the idea that the basic question is like if if the universe has a lot of uh alien life forms in it why haven't we seen them yeah and one thought is that there is a great filter or multiple great filters that basically would destroy intelligent civilizations like we this thing that we you know this multi-folding brain that can keeps growing may not be such a big feature it might be useful for survival but it like takes us down a uh side road that is a very short one with a quick dead end what do you think about that so i think the universe is enormous not just in space but also in time and the the pretense that you know the last blink of an instant that we've been able to send radio waves is when somebody should have been paying attention to our planet he's a little ridiculous so my you know what i love about star wars yes is a long long time ago in a galaxy far far away it's not like some distant future it's a long long time ago what i love about it is that basically says you know evolution and civilization are just so recent in you know on earth like there's countless other planets that have probably all kinds of life forms multicellular perhaps and so forth but the fact that humanity has only been listening and emitting for just this tiny little blink means that any of these you know alien civilizations would need to be paying attention to every single insignificant planet out there and you know again i mean the movie contact and the book is just so beautiful this whole concept of we don't need to travel physically we can travel as light we can send instructions for people to create machines that will allow us to beam down light and recreate ourselves and in the book you know the aliens actually take over they're not as friendly but you know this concept that we have to eventually go and conquer every planet i mean i think that yes we will become a galactic species so you you have um hope well you said thank
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