You have to be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

I don't let the world define my success.

A writer is a person who is not satisfied with the world as it is, who wants to change it, to improve it, to make it more beautiful, more just, more livable.

每个数学问题都有解答；挑战在于找到它。

我们总是在寻找分析数据的新方法。

当今世界上最普遍的不平等形式不是贫富之间的不平等，而是男女之间的不平等。