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.

Worth repeating: measure twice， cut once.

熵是对随机变量不确定性的度量。

企业的未来在于创新，而不是模仿。

The hour of departure has arrived，and we go our separate ways，I to die，and you to live。Which of these two is better only God knows.

据说人无完人。又据说磨练出完美。你们对下词好吗?

人与权力的斗争就是记忆与遗忘的斗争。

我比我想象的更坚强。