Never ask a trader if he is profitable: you can easily see it in his gesture and gait.

Redundancy is ambiguous because it seems like a waste if nothing unusual happens. Except that something unusual happens-usually .

Charm is the ability to insult people without offending them; nerdiness the reverse

Weak men act to satisfy their needs, stronger men their duties.

You are rich if and only if money you refuse tastes better than money you accept.

There is a certain category of fool-the overeducated, the academic, the journalist, the newspaper reader, the mechanistic scientist, the pseudo-empiricist, those endowed with what I call epistemic arrogance, this wonderful ability to discount what they did not see, the unobserved.

Steve Jobs, Bill Gates and Mark Zuckerberg didn't finish college. Too much emphasis is placed on formal education - I told my children not to worry about their grades but to enjoy learning.