The only limits in life are the ones you make.
The world is full of suffering, but it is also full of the overcoming of it.
世界变化非常快。大不再能打败小,而是快的打败慢的。
她走在美的光彩中,像夜晚
——通过《军政府改组修正案审查报告》后,即向国会辞去大元帅职并发表通电,1918年5月4日
A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between proofs and the best mathematician can notice analogies between theories.