当你对别人说“是”时,确保你没有对自己说“不”。
The world is my country, all mankind are my brethren, and to do good is my religion.
数学是给不同事物起相同名字的艺术。
Safety must always come before production targets.
The mind is a system of organs of computation, designed by natural selection to solve the kinds of problems our ancestors faced in their foraging way of life.