对正义的评估必须基于对实际社会与可行替代方案的某种比较。

成功是一系列随时间积累的小胜利。

A picture book is like a theater where the audience can walk around on stage.

The best conservation strategies are those that align economic incentives with ecological benefits.

The greatest glory in living lies not in never falling, but in rising every time we fall.

如果你年轻时没有学会思考，那就永远学不会思考。