愚人是那些不能改变他们想法的人。
The whole secret of life is to be interested in one thing profoundly and in a thousand things well.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
这些墙很有趣，刚入狱的时候，你痛恨周围的高墙；慢慢地，你习惯了生活在其中；最终你会发现自己不得不依靠它而生存。这就叫体制化。
"The silence around words is as important as the words themselves."