The more you learn, the more you know. The more you know, the more you forget. The more you forget, the less you know. So why bother to learn?

In mathematics, the simplest explanation is often the most profound.

人可能会死去。城池可能会泯灭在历史的长河里，英雄会老去，美人会迟暮。一切都终将会消失，但总有一些故事会传承下来。