"I believe in the power of dreams and the subconscious."

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

The best books... are those that tell you what you know already.

The best way to find yourself is to lose yourself in the service of others.

永远要努力在你的生活之上保留一片天空。

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。