The iron rule of nature is: You get what you reward for.If you want ants to come, you put sugar on the floor.

The best way to learn mathematics is to do mathematics.

在科学中最令人兴奋的短语，预示着新发现的，不是“我找到了！”而是“这有点奇怪...”

"The past is always tense, the future perfect."

An actor I know is a dimwit who can't count higher than the fingers on his hands. But once he gets on stage, the audience goes so wild, you'd think the house would split in two.

You see, in life, lots of people know what to do, but few people actually do what they know. Knowing is not enough! You must take action.

Success tastes sweetest when it’s shared with those who helped you achieve it.

没有人民的普遍知识，自由就无法得到保障。

气候系统异常复杂，我们对它的理解仍在不断发展。

The most exciting, challenging and significant relationship of all is the one you have with yourself.