我对人类的状况感兴趣，对活着的意义感兴趣，对存在的本质感兴趣。
I am interested in the human condition, in what it means to be alive, in the nature of existence.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法：它是关于理解的。
When you forgive others, they may not notice, but you will heal. Forgiveness is not something we do for others; it is a gift to ourselves.
最初看似导致怀疑的原则，经过一定程度的追求，会使人回归常识。
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.