Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

译文：人生就像一场醉梦，快乐忧愁都不要太当真。

The greatest danger is not that we will lose our way, but that we will become content with where we are.

I’d rather be hated for who I am than loved for who I’m not.

"Every word knows something of a vicious circle."