学习不仅仅是获得思考的能力；它是获得许多专门化的能力，用以思考各种各样的事物。

你读得越多，模仿得就越少。

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed to exclude, in a manner, all other arts.

We are not born for ourselves alone.

唯一能阻止你的人是你自己。

数学家们至今徒劳地试图在素数序列中发现某种规律，我们有理由相信这是一个人类思维永远无法穿透的谜题。