对感受者来说，生活是悲剧；对思考者来说，生活是喜剧。

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt, and the profoundest wisdom to know when it ought to be resisted, and when it be obeyed.

我确信宇宙中充满了智慧生命。只是它们太聪明了，不会来这里。

人生不像下棋，棋局在结束后还可以继续。

研究最有价值的部分是看到你的工作转化为现实世界的影响。

Greatness is not this wonderful, esoteric, elusive, god-like feature that only the special among us will ever taste. It’s something that truly exists in all of us.