The only way to get rid of a temptation is to yield to it.

A sense of responsibility is the mark of a noble character.

It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.

Every seed contains the potential to change a community.

拯救森林靠的是合作，而非竞争。

战略的本质是选择不做什么。