我们都是森林的生物，而森林也是我们的生物。
We must balance economic growth with environmental responsibility—there is no other way.
The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.
历史不仅仅是已经发生的事情，也是可能发生的事情。
The greater the obstacle， the more glory in overcoming it.
The beauty of mathematics only shows itself to more patient followers.