推动一个年代的是个性，不是原则。
It is personalities, not principles, that move the age.
In mathematics, as in life, the most elegant solutions often arise from a deep understanding of the problem.
The liberal international order is a myth.
Everything in the world exists to end up in a book.
谎言可以绕地球半圈，而真相才刚刚穿上鞋子。
自守形式的研究是数学思想深度的反映。