The beauty of a mathematical idea is that it can be shared and understood across cultures and time.

The existence of a legal system is a matter of fact, not of morality.

为什么这东西叫美国梦，因为你只有睡着了才能相信。

Don't let your fear decide your future.

The novel is the one bright book of life.

当一扇门关闭时，你要知道，另一扇门正在打开。