11 of the wisest things ever said: 🧵

“The reading of all good books is like conversation with the finest men of past centuries.”

― René Descartes
"The man who asks a question is a fool for a minute, the man who does not ask is a fool for life"

― Confucius
"If you set out to be liked, you would be prepared to compromise on anything at any time, and you would achieve nothing."

― Margaret Thatcher
"Holding on to anger is like grasping a hot coal with the intent of throwing it at someone else; you are the one who gets burned."

― The Buddha
“Luck is what happens when preparation meets opportunity.”

― Seneca
“If a person gave away your body to some passerby, you’d be furious. Yet you hand over your mind to anyone who comes along, so they may abuse you, leaving it disturbed and troubled—have you no shame in that?”

― Epictetus
“The happiness of your life depends upon the quality of your thoughts.”

― Marcus Aurelius
“Character cannot be developed in ease and quiet. Only through experience of trial and suffering can the soul be strengthened, ambition inspired, and success achieved.”

― Helen Keller
“He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.”

― Emmanuel Kant
"Being deeply loved by someone gives you strength, while loving someone deeply gives you courage.

― Lao Tzu
“How wonderful it is that nobody need wait a single moment before starting to improve the world.”

― Anne Frank
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I write about psychology, marketing and career growth. I share my insights along the way.

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THREAD: 12 Things Everyone Should Know About IQ

1. IQ is one of the most heritable psychological traits – that is, individual differences in IQ are strongly associated with individual differences in genes (at least in fairly typical modern environments). https://t.co/3XxzW9bxLE


2. The heritability of IQ *increases* from childhood to adulthood. Meanwhile, the effect of the shared environment largely fades away. In other words, when it comes to IQ, nature becomes more important as we get older, nurture less.
https://t.co/UqtS1lpw3n


3. IQ scores have been increasing for the last century or so, a phenomenon known as the Flynn effect. https://t.co/sCZvCst3hw (N ≈ 4 million)

(Note that the Flynn effect shows that IQ isn't 100% genetic; it doesn't show that it's 100% environmental.)


4. IQ predicts many important real world outcomes.

For example, though far from perfect, IQ is the single-best predictor of job performance we have – much better than Emotional Intelligence, the Big Five, Grit, etc. https://t.co/rKUgKDAAVx https://t.co/DWbVI8QSU3


5. Higher IQ is associated with a lower risk of death from most causes, including cardiovascular disease, respiratory disease, most forms of cancer, homicide, suicide, and accident. https://t.co/PJjGNyeQRA (N = 728,160)