The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.

真正的增长来自于理解土地并与之合作，而不是对抗它。

Efficiency and environmental responsibility can—and must—go hand in hand.

语出（南宋）崔敦礼《刍言》。自以为聪明的人，其实并不聪明；自以为能干的人，其实并不能干。

心灵的力量是巨大的，利用它可以带来我们生活中的深刻变化。