城市林业证明自然与城市可以共同繁荣。

Leadership is about making the tough decisions and standing by them.

 释义：在昏暗不明的环境中，若仍能保持光明的心境，内心就能像青天白日一样明亮无染。

I sing not because I am blind, but because I have a voice.

Thinking is the hardest work there is, which is probably the reason why so few engage in it.