棋盘是世界；棋子是宇宙万象；棋局规则便是我们所谓的自然法则。

我对扮演同一个角色两次不感兴趣。

We are all fools in love.

Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.

The one element which is of first importance in scientific management is the task idea.

大自然是天才的武库。它提供工具，但工匠必须使用它们。