The task of the teacher is to lead the student from the known to the unknown.

"Hope is the thing that keeps us moving forward, even when the path is dark."

译文：只要把握现在，做好当下的事情，不要管将来会有什么样的结果。

世界毁灭不是因为强盗和火灾，而是因为仇恨、敌意和所有这些琐碎的争吵。

最终，我们只会后悔没有抓住的机会。