Money is concerned only with what is common to all: it asks for the exchange value, it reduces all quality and individuality to the question: How much?

Man is neither wholly good nor wholly evil, but a mixture of both.

没有比复仇更昂贵、更没用的事情了。

水产养殖的创新可以在不耗尽海洋资源的情况下养活世界。

Forests are the lungs of our planet; we must treat them with the care they deserve.

A great way to understand yourself is to seriously reflect on everything you find irritating in others. 

Education is the foundation of conservation—people protect what they understand.