乐观对于有意义的生活是无价的。坚信未来是积极的，你就可以投身于比你更伟大的事业中。

Policy alone won’t save our forests—it takes action from individuals, businesses, and governments.

Investing in people is the best investment a company can make.

The laws of organization govern all mental processes.

世界的美有两面，一面是欢笑，一面是痛苦，将心割裂。