大自然的铁律是：有得必有失 如果你想让蚂蚁来，你就在地上放糖。
The iron rule of nature is: You get what you reward for.If you want ants to come, you put sugar on the floor.
Psychology must be based on facts, not hypotheses.
Education is the root system that sustains all progress in responsible forestry practices.
一个好故事就像一面镜子，它反映出听者的灵魂。
互联网是一个伟大的平衡器，但它也有可能加剧不平等。