定义就是限制。

历史不是过去，而是一张从特定视角绘制的地图，对现代旅行者有用。

自然的韧性给了我希望。

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.

学问的道理没有别的，就是找回那丧失了的善心罢了。

唯一真正的财富是灵魂的财富。