我们今天做的每一个决定都塑造着我们留下的世界。

译文：挥动衣袖，风卷起红尘，白昼变得昏暗；汗水如雨，道路泥泞难行。

一本好书是一个永远不会让你失望的朋友。

The laws that forbid the carrying of arms are laws of such a nature. They disarm only those who are neither inclined nor determined to commit crimes.... Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man.

Patience and persistence are the keys to unlocking the mysteries of mathematics.