To test if you are worrying too much about looking good, observe how you feel when you find out you've made a mistake or don't know something.

School typically doesn't prepare young people for real life - unless their lives are spent following instructions and pleasing others. In my opinion, that's why so many students who succeed in school fail in life.

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.

People who confuse what they wish were true with what is really true create distorted pictures of reality that make it impossible for them to make the best choices.

Nature is a machine. The family is a machine. The life cycle is like a machine.

It's more important to do big things well than to do small things perfectly.

For me, the best things in life - meaningful work, meaningful relationships, interesting experiences, good food, sleep, music, ideas, sex, and other basic needs and pleasures - are not, past a certain point, materially improved upon by having a lot of money.