理解的提高有两个目标：首先，我们自己的知识增长；其次，使我们能够将这些知识传递给他人。

The only limit to our realization of tomorrow will be our doubts of today.

Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek.

有时候，活着本身就是一种反抗。

违反自然法的人宣称自己遵循的是理性和公平之外的规则。