爱情是唯一一种用自己铸造的货币来支付的情感。

最好的儿童书籍是那些让孩子思考的书籍。

That man, I think, has had a liberal education who has been so trained in youth that his body is the ready servant of his will.  

这个行业的成功不仅以桶来衡量，还以积极影响来衡量。

智者从敌人那里学到的比愚者从朋友那里学到的还要多。

Every time a coal plant closes, a piece of America's heart closes with it.

我的语言的界限即是我的世界的界限。

自由是每个人做他想做的事情的自然能力，除非受到暴力或法律的禁止。