相信自己和你所拥有的一切。

Small changes in the environment can have big effects on behavior.

解释：国家垂危败亡，一定是因为任用了奸邪小人。

Money is a needful and precious thing—and, when well used, a noble thing—but I never want you to think it is the first or only prize to strive for.

The only time I know that something is true is at the moment I discover it in the act of writing.

工作中的快乐使工作完美。