"Winning is great, but the real satisfaction comes from knowing you gave everything."
The key to successful investing is to control what you can control: costs, taxes, and behavior.
The only way to escape the system is to play with it, to manipulate it, to turn it against itself.
经济模型的价值在于其解释和预测的能力。
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.