一个人生命中最孤独的时刻是当他们看着自己的整个世界分崩离析，而他们所能做的只是茫然地凝视。

The key to security is not to trust anyone, including yourself.

The history of philosophy is not, like the history of the sciences, to be considered as a mere chronological record of discoveries and errors. It is the history of the human spirit in its endeavor to understand itself and its relation to the universe.

真正的风险来自于不知道自己在做什么。