A proof is a device for convincing someone else that a mathematical statement is true.

教育是点燃火焰，而不是填满容器。

每当新的一天开始，恐惧都有机会茁壮成长，信念也一样有机会开花结果。你们将面临屈服于恐惧或建立信念的抉择。

The most widespread form of inequality in the world today is not that between rich and poor, but that between men and women.

思考你的未来的最佳时机就是现在。