The motion of the universe is eternal.

——二个叔父孙学成、孙观成早年均因为贫穷必须远赴他乡做工谋生，在孙出生前后因病去世，孙看到清朝绩弱不振，受到外国强敌欺侮，增加自己从事反清革命的动机

不确定性原理并非我们知识的局限，而是量子世界的基本属性。

The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.

一幅画是一种再现、一种幻觉、一种魔法，所以你所看到的并不是你所看到的。