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.

Science is not a boy's game, it's not a girl's game. It's everyone's game. It's about where we are and where we're going.

世界是事实的总体，而不是事物的总体。

You can’t do today’s job with yesterday’s methods and be in business tomorrow.

人生能有一个知己就足够了，这一生应当把他当作同胞兄弟一样看待