The psychologist must be an impartial observer.

Success comes to those who work hard.

A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.

No society can surely be flourishing and happy， of which the far greater part of the members are poor and miserable.

当一个人开始长得像他的父亲时，他就知道自己正在变老。

政治理论的研究不应局限于西方；我们需要探索非西方传统中丰富的政治思想。