Ignorance is not innocence but sin.

只要人类继续无情地摧毁较低级的生命，他们永远不会知道健康和和平。因为只要人类屠杀动物，他们也会相互杀戮。

We cannot know the cause, and therefore the effect, by reason alone.

Sustainability isn't just good for the planet; it's good for business and essential for long-term success.

现在如果送给别人很少的东西，却希望人家回报很多的东西，那么，人们就会怕你再送东西给自己了。