真相很少是纯粹的，也从不简单。

The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.

I think that the most important thing in life is to be happy and to make other people happy.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

【译文】 孔子说：“唯女子与小人难以对付。太亲近了，他们就会失礼；太疏远了，他们就会怨恨。”

适应性是在快速变化的行业中生存的关键。