石头或许坚硬，但我们的决心必须更加坚定。

万物皆处于流动状态。

The greatest tragedy in mankind's entire history may be the hijacking of morality by religion.

The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.

控制的艺术在于处理未知和不可预测的事物。