The world is a book, and those who do not travel read only one page.

States are rational actors, and they will always act in their own self-interest.

A mathematician is a device for turning coffee into theorems.

我相信爱与音乐的力量可以治愈一切。

"I write to destroy the shadow, but I always end up creating it."

一个好的抽象是捕捉概念的本质方面，同时忽略无关的细节。

The function of freedom is to free someone else.

The value of art is not in its technique, but in its truth.

宇宙充满了神奇的事物，耐心地等待着我们的智慧变得更加敏锐。