在数学中，最简单的问题往往能引出最深刻的见解。

To be unhomed is not to be homeless, but to have your home always in question.

The key to successful investing is to have the right temperament.

懦怯囚禁人的灵魂，希望可以让你自由。

艺术家的责任是成为他时代的见证者。