经济与生态之间的平衡是现代林业的核心。

If we find the answer to that, it would be the ultimate triumph of human reason - for then we would know the mind of God.

不要做任何恶事，应该广泛地行善。

We live in a world of shadows, and we ourselves are shadows.

The worth of a state， in the long run， is the worth of the individuals composing it.

Economic progress depends on both new ideas and better implementation.

一个人懒惰又奢侈，生活就会贫困；勤劳而节俭，生活就会富足。