自信来自于准备充分并精通自己的领域。

My mother was an atheist. She used to say that there was good news and bad news about hell. The good news is, hell is just the product of a morbid human imagination. The bad news is, whatever humans can imagine, they can usually create.

I’ve had to learn to fight all my life—got to learn to keep smiling. If you smile, things will work out.

经济周期的福利成本并非周期本身，而在于人们是风险厌恶的。

工程的目标不仅仅是建造东西，而是建造在不确定性下运作良好的东西。