必须有出世者的宽广胸怀，才能入世；否则的话，很容易受到尘世的各种利诱纠缠而使自己迅速堕落；必须有入世者的深刻体验，才能出世；否则的话，很容易变得空虚无聊而使自己难以把持人生。

世界是一个问题，而非答案。

Wisdom comes to us when it can no longer do any good.

The most valuable asset any company has is its people.

"The power of a story lies in its ability to make us feel less alone."

预见数学未来的真正方法是研究它的历史和现状。