历史不仅仅是坏人做坏事的故事，也是好人无所作为的故事。
History is not just the story of bad people doing bad things. It's also the story of good people doing nothing.
质量不是愿望；它是一种承诺。
所有的突破在一开始都是看起来很可笑和荒谬的。事实上如果它在一开始看起来不够可笑和荒谬的话，它也称不上是一种突破。
A law of nature， lex naturalis， is a precept or general rule found out by reason， by which a man is forbidden to do that which is destructive of his life or takes away the means of preserving the same.
A sound mind in a sound body, is a short, but full description of a happy state in this World: he that has these two, has little more to wish for; and he that wants either of them, will be little the better for anything else. Men’s happiness or misery is most part of their own making. He, whose mind directs not wisely, will never take the right way; and he, whose body is crazy and feeble, will never be able to advance in it.