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.

The main reason I write the daily observations is because I want to know where I'm wrong. So lots of times if somebody points something out it helps me, and I want to have a diversified bet of uncorrelated bets.

Constantly probe the people who report to you, and encourage them to probe you.

Pull in your belt, spend less, and reduce debt.

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

Life is like a game where you seek to overcome the obstacles that stand in the way of achieving your goals. You get better at this game through practice. The game consists of a series of choices that have consequences. You can't stop the problems and choices from coming at you, so it's better to learn how to deal with them.

The expression I use: Pain + Reality = Progress. Whenever I would have a painful mistake, I started to view that as puzzles that would give me gems if I could solve the puzzle. So, it made me thoughtful - what should I do differently next time? That was the puzzle. And the gem was some principle for handling the same thing when it came along again, and then I would write it down. And by writing it down and referring to it, and also being able to show it to other people so that we could agree that that was a good way of handling that thing - that was very, very powerful.