学习贵在专一，不以涉猎广泛为能。

In one of the stars I shall be living. In one of them I shall be laughing. And so it will be as if all the stars were laughing, when you look at the sky at night… You-only you-will have stars that can laugh…

当团队成员彼此信任到足以放弃个人利益而为集体利益付出时，好的团队就会变得伟大。

数学是理性的音乐。

安全不仅仅是一项政策，它是一种从高层开始的文化。