The political liberty of the subject is a tranquility of mind arising from the opinion each person has of his safety.

数学家的模式，就像画家或诗人的模式一样，必须是美丽的；思想，就像颜色或文字一样，必须以和谐的方式结合在一起。

Well, the first rule is that you can’t really know anything if you just remember isolated facts and try and bang ’em back. If the facts don’t hang together on a latticework of theory, you don’t have them in a usable form.

The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.