知道自己不知道什么比聪明更有用。
城市是人类最伟大的发明。
不管到了哪里，我都一直留恋那令人愉快的悠闲生活，对唾手可得的富贵荣华毫无兴趣，甚至厌恶。
战争是人类终极的戏剧，在这里人性最好和最坏的一面都被展现出来。
The paper industry has a responsibility to lead the way in sustainable practices—we can't wait for others to show us how.
最伟大的故事是那些挑战我们信念的故事。
The moment you take responsibility for your life is the moment you start changing it.
Sustainable development requires balancing economic growth with ecological protection.
我们生活在一个影子的世界里，我们自己也是影子。
The wise seek happiness within their own souls, while fools search outside.
