The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome.

Education is the most powerful weapon which you can use to change the world.

当我们的知识之圆扩大之时，我们所面临的未知的圆周也一样。

沉默是伟大事物形成的元素。

自信是一切的关键。

强者，藐视困难，弱者，仰视困难。