In individuals， insanity is rare；but in groups， parties， nations， and epochs， it is the rule.

The main task in life is simply this: to identify and separate matters so that I can say clearly to myself which are externals not under my control, and which have to do with the choices I actually control.

自由不仅仅是随心所欲的机会；也不仅仅是在既定选项之间选择的机会。自由首先是制定可用选择的机会，对它们进行辩论——然后，才是选择的机会。

The only thing I can do is paint, and that’s enough for me.

量子力学不仅仅是一个理论，它是一种理解现实的方式。