我们对过去了解得越多，就越能理解现在。

事情在最得意时要防乐极生悲，话说到最忘形时要防言中有失。

We must balance the need for energy with the responsibility to protect our planet.

心灵是一个过程流，而非对象的集合。

Farmers are the original environmentalists—they understand the land better than anyone.

认为未来不可预测的观点每天都在被我们轻易解释过去的事实所削弱。