过度捕捞就像透支信用卡，终将付出沉重的代价。
True happiness comes from within, not from external achievements or possessions.
Modern forestry must balance three axes: ecology, economy and ethics.
A mathematician is a device for turning coffee into theorems.
The stream of consciousness is a stream of solutions.
Character is doing the right thing when nobody's looking. There are too many people who think that the only thing that's right is to get by, and the only thing that's wrong is to get caught.