It is not because certain things are difficult that we do not dare;it is because we do not dare that things are difficult.

实现明天的唯一限制是我们今天的疑虑。

追求知识是一生的旅程。

I'm not a diva. I'm just very passionate about what I do.

Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.

化用古人诗句，形容自然之宏大与人力之渺小。