Certification schemes are the floor, not the ceiling of responsible forestry practice.

We don't inherit the ocean from our ancestors; we borrow it from our children.

坚毅的人把成就视为马拉松；他或她的优势是耐力。

每一本书都是一个新的世界，等待着读者去探索。

Psychology's task is to explain how mind serves life.

I think that the most important thing is to be true to yourself. You have to be honest with yourself about who you are and what you want.