We must balance economic growth with environmental responsibility—there is no other way.
True forest stewardship means leaving some trees - and some profits - for those who come after us.
Let me explain. I think it would be very unusual for anyone here, or anyone watching, to be envious of the Queen of England. Even though she is much richer than any of you are, and she's got a very large house, the reason why we don't envy her is because she's too weird.
永远不要停止学习,世界总是在变化。
一本好书是通往另一个世界的门。
时间不会流逝,流逝的是我们穿越时间的我们。
没有孩子的民族将面临无望的未来;没有树木的国家将面临更加无望的未来。