When the last fish is caught, mankind will realize money can't be eaten.

The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.

“唯一真正无限的是人类的潜力。”

The best reader is the writer who reads his own work.

永远不要停止学习，因为土地和牲畜总会教会你新的东西。

I write to find hope.

广义相对论可能是所有现有物理理论中最美的。