宝剑干将虽然锋利无比、名闻天下，但是，木匠用它伐树却比不上斧头。点评：方法不对，适得其反。

The boy and his heart had become friends, and neither was capable now of betraying the other.

可持续林业不是成本，而是对我们未来的投资。

我认为数学家更像艺术家，而不是科学家。