出自北齐·颜之推《颜氏家训·勉学》。没有把天下所有的书读个遍，就不要信口雌黄的发表观点。

The blood in the animal body is impelled in a circle, and is in a state of ceaseless motion.

In business, if you're standing still, you're actually moving backwards.

数学证明的美在于它的优雅以及它以清晰简洁的方式揭示潜在真理的方式。

Power is not given to you. You have to take it.

我不害怕失败，我害怕不去尝试。