Mathematics is the music of reason.
数学是理性的音乐。
Psychology must show how mind serves the needs of the organism.
不探索奇景，不穷尽幽深之处，就不足以谈论山水
一旦就接受了自己的缺点，就没有人能用它们来攻击你了。
The minimum content of natural law is necessary for the survival of any society.
Quality means doing it right when no one is looking.
A clear vision turns obstacles into stepping stones.