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）

You can't use up creativity. The more you use, the more you have.

The people are the government, administering it by their agents; they are the government, the sovereign power.

平静：不要被琐事、普通或者不可避免的事所扰。

The true value of a forest can't be measured in board feet alone.