文化唯物主义基于一个简单的前提，即人类社会生活是对地球生存实际问题的回应。

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

最重要的实验是那些挑战我们自以为知道的事情。

一棵树的真正价值是用几十年衡量的，而不是美元。

"A book is a dream that you hold in your hand."

The future of forestry lies in balancing economic growth with ecological preservation.

生活不是等待暴风雨过去，而是学会在雨中跳舞。