Also, it's good to have more than one profession, in case your own profession goes out of style. A Wall Street trader who's also a belly dancer will do a lot better than a trader who winds up driving a taxi.

Don't aim to be perfect! Aim to be antifragile

When you write, you don't have the social constraints of having people in front of you, so you talk about abstract matters.

The more data we have, the more likely we are to drown in it.

If you're going to fail, you'd rather fail early than fail late in general.

He who has never sinned is less reliable than he who has only sinned once. And someone who has made plenty of errors-though never the same error more than once-is more reliable than someone who has never made any.

People are much less interested in what you are trying to show them than what you are trying to hide.