写作是一种乐观的行为。
The best literature is that which challenges us, which makes us think, which forces us to confront the uncomfortable truths of our existence.
数学家是能在定理之间找到类比的人；更好的数学家是能在证明之间看到类比的人；而最好的数学家是能注意到理论之间类比的人。
The green development of aquaculture is not only an environmental requirement but also the future survival path of the industry.
The greatest gift you can give someone is your time.