A mathematician's work is mostly a solitary pursuit, but it builds on the work of many others.
The ability to create and sustain large, complex organizations is one of the key factors that distinguish successful societies from unsuccessful ones.
观察的个体数量越多,个体的身体或道德特性就越容易被抹去,从而使社会赖以存在和保存的普遍事实占据主导地位。
"The writer is a man who is always trying to find the truth, the truth about himself, the truth about the world, the truth about life."