If winning becomes too important in a game， change the rules to make it more fun. Changing rules can become the new game.

The most exciting moments in mathematics are when you discover that two seemingly unrelated areas are deeply connected.

世界是一面镜子，我们在其中看到自己。

永远不要停止质疑，即使答案似乎已经确定。

人真正的故乡是童年。