Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.

I don't give a damn if you're offended. I'm not gonna stop.

生活的唯一方式是接受不可接受的事物。

晏子春秋

认证计划是负责任林业实践的底线，而不是上限。

真正的革命者是被伟大的爱所引导的。无法想象一个缺乏这种品质的真正革命者。