We will laugh at the laughable， and will not be able to refrain from laughing.

Mathematics is the most beautiful and most powerful creation of the human spirit.

一个人越是忘记自己——通过投身于一项事业或爱另一个人——他就越是人性化。

"In observational studies, we often have to rely on assumptions that are not directly testable."

音乐是通用的语言。