世界所有前进的动力都归功于那些不安分的人。幸福的人不可避免地把自己限制在古老的界限内。
The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.
永远不要停止提问,因为答案就从那里开始。
我不是环境的产物,我是自己选择的产物。
Profit and sustainability must walk hand in hand; one cannot long exist without the other.