Most people have a hard time confronting their weaknesses in a really straightforward, evidence-based way. They also have problems speaking frankly to others. Some people love knowing about their weaknesses and mistakes and those of others because it helps them be so much better, while others can't stand it.

We wouldn't be successful if we didn't have independent thinkers who can argue and then resolve their arguments.

I'm scared of people with power making the decision.

I think the greatest tragedy of mankind is that people have ideas and opinions in their heads but don't have a process for properly examining these ideas to find out what's true. That creates a world of distortions.

There is giant untapped potential in disagreement, especially if the disagreement is between two or more thoughtful people

Treat your life like a game.

For every mistake that you learn from you will save thousands of similar mistakes in the future, so if you treat mistakes as learning opportunities that yield rapid improvements you should be excited by them. But if you treat them as bad things, you will make yourself and others miserable, and you won't grow.