Every discovery in science opens up a new set of questions, and that's what makes it so exciting.
永远要在清醒时完成醉酒时承诺的事。这会教会你管住嘴巴。
We are all ready to be savage in some cause. The difference between a good man and a bad one is the choice of the cause.
这不应该是一件容易的事。任何觉得容易的人都是愚蠢的。