You never win an argument until they attack your person.

The opposite of fragile is something that gains from disorder.

If there is something in nature you don't understand, odds are it makes sense in a deeper way that is beyond your understanding. So there is a logic to natural things that is much superior to our own. Just as there is a dichotomy in law: 'innocent until proven guilty' as opposed to 'guilty until proven innocent', let me express my rule as follows: what Mother Nature does is rigorous until proven otherwise; what humans and science do is flawed until proven otherwise.

Never take advice from anyone in a tie. They'll bankrupt you. Don't ask a general for advice on war, and don't ask a broker for advice on money.

The best way to measure the loss of intellectual sophistication - this "nerdification," to put it bluntly - is in the growing disappearance of sarcasm, as mechanic minds take insults a bit too literally.

I suspect the I.Q., SAT, and school grades are tests designed by nerds so they can get high scores in order to call each other intelligent...Smart and wise people who score low on IQ tests, or patently intellectually defective ones, like the former U.S. president George W. Bush, who score high on them (130), are testing the test and not the reverse.

The central idea in The Black Swan is that: rare events cannot be estimated from empirical observation since they are rare.