出自晋·葛洪《抱朴子·博喻》。用美玉做成的船和桨，不能用于水上航行;用黄金做弓，玉石做弦，仍没有射箭的功能。（笔杆子 rendoc.com）

I don't like stress. I like to buy things and then forget about them.

The true value of a forest lies in its ability to balance ecological needs with human aspirations.

We need to focus on the actual outcomes of policies, not just their intended effects.