对人类来说，最可恨的事情是知道一切却无能为力。
The most hateful thing for a man is to have knowledge of everything but power over nothing.
在极权主义下，沉默也是一种反抗。
To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.
Have an aim in life，or your energies will all be wasted.
——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
数学的本质在于它能够揭示宇宙中隐藏的模式和结构。
我为自己的体重感到骄傲。我永远不会是零号身材，我也不想成为那样。