"Listening is an act of participation."

The only strategy that is guaranteed to fail is not taking risks.

数学中最深刻的定理往往有最简单的表述。

He allowed himself to be swayed by his conviction that human beings are not born once and for all on the day their mothers give birth to them, but that life obliges them over and over again to give birth to themselves.

现代林业必须平衡三个轴心：生态、经济和道德。