There is more than one kind of freedom... Freedom to and freedom from. In the days of anarchy, it was freedom to. Now you are being given freedom from. Don't underrate it.

发现的旅程不是一条直路，而是一条充满惊喜和启示的曲折道路。

在数学中，你并不理解事物。你只是习惯了它们。

你必须愿意失败，愿意犯错，即使所有人都说你疯了也要继续前进。