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。

It is a narrow mind which cannot look at a subject from various points of view.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

我来不是为了融入，而是为了脱颖而出。

I don't want to be a role model. I want to be a source of inspiration.

写作是一种乐观的行为。