My favorite line from Atomic Habits has been living in my head rent-free:
“It doesn’t make sense to continue wanting something if you’re not willing to do what it takes to get it. If you don’t want to live the lifestyle, then release yourself from the desire. To crave the result but not the process is to guarantee disappointment.”
Your fingers don’t wrinkle in water because they “soak it up” like a sponge—that’s actually a myth. What’s really happening is far more clever.
After a few minutes underwater, your autonomic nervous system steps in. It tells the tiny blood vessels in your fingertips to constrict, reducing the volume beneath the skin. The surface then puckers into those familiar wrinkles. In other words, your body is actively reshaping your skin.
This response is so precise that doctors sometimes use it to check nerve function—if the nerves are damaged, the wrinkles may not form properly.
But here’s the fascinating part: those wrinkles may give you an advantage. Studies (including one in Biology Letters in 2013 and follow-up research in 2021) found that people handle wet objects better with wrinkled fingers. The grooves seem to channel water away, improving grip—almost like natural tire treads.
So those soggy fingertips aren’t a flaw… they’re a built-in feature. A small, quiet adaptation that may have helped our ancestors grip food, climb in the rain, or move safely across slippery surfaces.
In 1972, a Stanford psychologist gave 4-year-olds a choice.
"One marshmallow now or wait 15 minutes and get two."
Rich kid waits. Poor kid eats it immediately.
For 50 years, psychologists said this proved poor kids lack self-control.
Wrong.
Poor kids learned that promises get broken. The second marshmallow isn't coming.
Professor Jiang Xueqin spent 50 minutes explaining why the poor kids are the rational ones:
The psychologist was named Walter Mischel. He put a marshmallow in front of 4-year-olds and said: "You can have it now, or wait and get two."
He tracked them for decades. The kids who waited did better at everything.
His conclusion: success means delayed gratification. Long-term planning. Self-control.
So educators built curricula around it. Teach kids self-control, resilience, self-assessment. They'll succeed.
It didn't work.
"If you take a bad student and teach him self-control, resilience, and self-assessment, the student doesn't actually get better."
The reason is simple: correlation does not equal causation.
Successful people wake up at 4am. But waking up at 4am won't make you successful.
If you're successful, you wake up early because you're motivated. If you're successful, you have self-control because your environment rewards it.
The traits don't cause success. Success causes the traits.
Here's what actually determines success:
"We know for a fact that rich people are much more likely to succeed than poor people. School doesn't really matter. If your parents are rich, you'll be successful. If your parents are poor, you will not."
The difference starts with parenting.
A rich kid touches a hot stove. The parent says: "You made a mistake. Don't worry about it. Let me explain why fire is dangerous. You could burn yourself. We'd have to go to the doctor."
A poor kid touches a hot stove. The parent says: "Don't you ever do that again or I'll beat the crap out of you."
Same lesson. Completely different worldview.
The rich kid learns: the world is safe. I am respected. Adults explain things to me.
The poor kid learns: the world is scary. I must fear authority. Don't ask questions.
There's another difference. Rich parents keep promises. Poor parents can't.
"Next week we'll go to Thailand." Next week, you go to Thailand.
"Next week we'll go to McDonald's." But the paycheck isn't enough. "Sorry, we can't go anymore."
Rich parents offer stability. Poor parents can only offer volatility.
Now go back to the marshmallow test.
"If you believe the teacher will keep his promise, you won't eat that marshmallow. If you think the teacher is lying, you will eat it."
If you're a poor kid, you've learned that promises get broken. Adults lie. The second marshmallow probably isn't coming.
So you eat the first one. That's not lack of self-control. That's rational decision-making.
"Poor kids are not stupid. Poor kids are rational. They're responding to the circumstances they live in."
The same logic applies to resilience.
"The idea of resilience is that you believe the world will help you. If you're rich and you fail, someone will help you get up. If you're poor and you fail, that probably tells you that you shouldn't be doing this."
Why try again when trying again has never worked?
And self-assessment? "If you're a poor child who lives under a lot of stress, it's hard to be self-reflective. Because if you look back at yourself, all you think about is your pain and your stress."
Here's the deeper structure.
"As a poor person, if you want to survive, you have to obey authority. As a rich person, you maximize your outcome by negotiating with others."
Poor parents command their children because that's what the world will demand. Obey the police. Obey the boss. Don't talk back.
Rich parents teach their children to debate, argue, negotiate. Because that's their game.
"From day one, rich kids know they're playing a different game."
Here's something stranger.
500 students took an IQ test. Then they guessed their ranking.
The top 5% thought they were top 20%. The test was easy for them, so they assumed it was easy for everyone.
The bottom 5% thought they were average.
"People who are stupid lack the capacity to know they're stupid."
This is the Dunning-Kruger effect. And it explains why the most confident people are often the least competent.
"This helps explain why the world is why it is. Often the people in power are stupid. They don't know they're stupid. They were confident."
Can poor kids escape?
"Yes. But it means leaving your community. You have to be extremely individualistic. Very ambitious. High risk tolerance. Most people don't have that."
The professor is one of them.
"I'm a poor kid who succeeded. My father was a dishwasher. But I left Canada for the United States. I got lucky."
"You can work as hard as you want, but the chances are against you. It takes luck. And that's often the exception to the rule, not the rule itself."
Here's what he wants you to understand:
When we see differences in success, our default explanation is differences in ability or effort.
We forget that a poor kid eating the marshmallow isn't weak. He's learned that waiting doesn't pay.
We forget that a poor kid giving up isn't lazy. He's learned that no one's coming to help.
We refuse to admit that the traits we associate with success are products of environment, not causes of it.
The marshmallow test is about measuring childhood, not measuring character.
This 60-minute MIT lecture from Steve Jobs after getting fired from Apple will teach you more about building companies than most startup books ever will.
Bookmark this & give it an hour. It’ll be one of the best business lessons you consume this year.
Gillian Lynne : La petite fille qui ne pouvait pas rester en place
Gillian n’avait que sept ans lorsque le monde a décidé que quelque chose n’allait pas chez elle.
Elle ne tenait pas en place à l’école. Elle gigotait, rêvassait, partait dans ses pensées et n’arrivait pas à suivre les cours.
Les enseignants la grondaient. Ils la félicitaient lorsqu’elle parvenait à rester tranquille — mais, la plupart du temps, ils la punissaient.
À la maison, ce n’était guère différent. Sa mère, épuisée par les plaintes, la punissait aussi.
Gillian n’échouait pas seulement à l’école — on lui faisait ressentir qu’elle échouait aussi chez elle.
Un jour, l’école convoqua sa mère pour une réunion sérieuse.
Assise dans la pièce, anxieuse, se préparant à entendre de nouvelles critiques, Gillian écoutait les enseignants parler de troubles, de médicaments, peut-être d’hyperactivité.
Ils étaient convaincus qu’il fallait la « réparer ».
Mais alors, un enseignant plus âgé entra dans la salle. Il connaissait Gillian depuis un certain temps.
Il demanda à tout le monde de le suivre dans une pièce voisine, d’où l’on pouvait encore voir la fillette.
Avant de sortir, il alluma une petite radio et laissa la musique emplir l’espace.
Et là, ils la virent.
Gillian, seule, se mit à bouger.
Elle dansait. Son corps suivait la musique avec joie et instinct.
Ses pieds tapaient, ses bras s’envolaient — tout son être était en mouvement, rempli de rythme et de vie.
Le vieux professeur sourit simplement et dit :
« Elle n’est pas malade. C’est une danseuse. »
Il conseilla à sa mère de l’inscrire dans une école de danse.
Ce qu’elle fit.
Et dès son tout premier cours, Gillian rentra chez elle rayonnante en disant :
« Tout le monde est comme moi. Personne ne tient en place ! »
Cette petite fille devint plus tard Dame Gillian Lynne, danseuse de renommée mondiale, chorégraphe, et esprit créatif derrière la célèbre comédie musicale Cats.
Puisse chaque enfant incompris rencontrer quelqu’un qui voit son don, et non son défaut.