数学之美不仅在于它描述世界的能力，还在于它揭示支配世界的隐藏结构的力量。

You can't go through life with a catcher's mitt on both hands. You need to be able to throw something back.

Silence can be a powerful form of resistance.

There is an awful lot you can tell about a person by their shoes. Where they're going. Where they've been.

Let him who would move the world first move himself.