【解释】仁慈的人爱人，有礼貌的人尊敬人，爱别人的人，别人也会爱他；尊敬别人的人，别人也会尊敬他。

As Will Rogers would have said, "There is no such thing as a free variable."

The soul is a fire that must be fed with beauty.

In market design, simplicity often leads to better outcomes.

The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.

The ultimate aim of the modern movement in biology is in fact to explain all biology in terms of physics and chemistry.

林业的未来在于平衡经济需求与生态责任。