我们的正常之处，就在于自己懂得自己的不正常。

在一切事务中，偶尔将一个问号挂在你长期以来视为理所当然的事物上是一种健康的做法。

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

"We do not write to be understood; we write in order to understand."

如果你想成功，就必须愿意冒险并从失败中学习。