To be sane in a world of madmen is in itself madness.

Your reputation is your most important currency—protect it fiercely.

We are not asked to be successful, only to be faithful.

The best policies are those that align economic incentives with ecological health.

地理学是关于地方的科学，而不是关于人的科学。

Innovation is not just about technology; it's about changing the way we think and operate.

小智慧不及大智慧，寿命短不及寿命长。怎么知道会是这样呢？有一种早上生的菌，活不过一天，不知道白天和黑夜；寒蝉春生夏死、夏生秋死，活不过一年，不知道春秋，这就叫短寿。楚国的南方有一种大树叫“冥灵”，以五百年为春，五百年为秋；上古有“大椿”树，以八千年为春，八千年为秋，这就叫长寿。