Start with what is right rather than what is acceptable.

You don't learn to walk by following rules. You learn by doing, and by falling over.

林业的未来在于平衡经济增长与生态保护。

孤独的人有他们自己的泥沼。

If you’re not willing to work hard, don’t expect success.

我们需要设计考虑到人类心理的政策，而不仅仅是经济理论。