知足是天然的财富，奢侈是人为的贫困。

文明的分布很大程度上是气候刺激的结果。

Innovation is not about technology, it's about solving real problems.

All your dreams can come true if you have the courage to pursue them.

真相很少是纯粹的，也从来不是简单的。

Our heroes are human heroes. That's a very new situation. Most other societies have had, right at their center, the worship of something transcendent: a god, a spirit, a natural force, the universe, whatever it is -- something else that is being worshiped. We've slightly lost the habit of doing that, which is, I think, why we're particularly drawn to nature.

名声伴随着责任。