人生最难学的是该过哪座桥，该烧哪座桥。

预测未来的最好方法就是创造它。

To be is to be perceived.

You can't control what you don't measure.

释义：做好事和坏事最终都会有报应，只是早晚的问题。

The stranger is an element of the group itself, not unlike the poor and sundry 'inner enemies'—an element whose membership within the group involves both being outside it and confronting it.