I don't think you can make a good movie without loving the medium.

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 brain is like a muscle. When it is in use we feel very good. Understanding is joyous.

让它简单。让它难忘。让它吸引人。让它读起来有趣。

教育的影响远远超出个人收入。