阅读只为心灵提供知识的材料；是思考使我们所读的东西成为我们自己的。
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.
The body remembers what the mind tries to forget.
解释：把腹心的疾病去掉，而放在大腿胳臂上，有什么益处？