Quite revealing of human preferences that more suicides come from shame or loss of financial and social status than medical diagnoses. - Nassim Nicholas Taleb

Learn to read history, get all the knowledge you can, do not frown on the anecdote, but do not draw any causal links, do not try to reverse engineer too much — but if you do, do not make big scientific claims.

Just as being nice to the arrogant is no better than being arrogant toward the nice; being accommodating toward anyone committing a nefarious action condones it.

I disagree with the followers of Marx and those of Adam Smith: the reason free markets work is because they allow people to be lucky, thanks to aggressive trial and error, not by giving rewards or "incentives" for skill.