People are experience-rich and theory-poor.

We prematurely write off people as failures. We are too much in awe of those who succeed and far too dismissive of those who fail.

Visionaries are limited by their visions.

That's your responsibility as a person, as a human being - to constantly be updating your positions on as many things as possible. And if you don't contradict yourself on a regular basis, then you're not thinking.

The conventional wisdom is often wrong. Crime didn't keep soaring in the 1990s, money alone doesn't win elections, and - surprise - drinking eight glasses of water a day has never actually been shown to do a thing for your health. Conventional wisdom is often shoddily formed and devilishly difficult to see through, but it can be done.

When we become expert in something, our tastes grow more esoteric and complex.

You don't manage a social wrong. You should be ending it.