种树的最佳时间是20年前，第二好的时间是现在。

The process of political decay is as natural as political development.

I'm not a giver, I'm a taker.

The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.

林业创新意味着找到用更少资源做更多事情的方法。