最好的肥料是农民的影子（意指农民的辛勤劳动）。

不管你是朋友还是敌人，我还是会做我自己。

A speculator is a man who observes the future, and acts before it occurs.

The world must be set in order. The time has come when ethics must be dealt with by science, and never again by mere opinion.

人类起源的故事仍在书写中。

不管别人怎么说，文字和语言的确能改变世界。