A good maxim allows you to have the last word without even starting a conversation.

We should ban banks from risk-taking because society is going to pay the price.

In science you need to understand the world; in business you need others to misunderstand it.

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.

History doesn't crawl; it leaps.

The opposite of fragile is something that gains from disorder.

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