"Every saint has a past, and every sinner has a future."

万物充满了神秘。

"I write to understand. I write to not forget."

Quality is never an accident; it is always the result of intelligent effort.

The great tragedy of Science—the slaying of a beautiful hypothesis by an ugly fact.  

True progress happens when we stop optimizing for the past and start building for the future.

一个人不仅可以通过他的行为对他人造成伤害，也可以通过他的不作为对他人造成伤害，无论哪种情况，他都应对他们负有道义责任。

人类并非在母亲生下他们的那一天就一劳永逸地诞生了，生活迫使他们一次又一次地重生自己。