Responsible fishing isn't about catching less - it's about catching smarter.

数学是给不同事物起相同名称的艺术。

Don’t say anything about someone in email you would not be comfortable saying to them directly， because eventually they will read it.

Profit and sustainability must walk hand in hand; one cannot long exist without the other.

读书人应当以天下大事为自己的责任，不能仅仅做一个只会钻研书本的学者。