智者自知其无知。

世界上充满了这样的人，他们对一个令人满意的未来的概念，实际上是对理想化过去的回归。

If you can't explain your chemistry to a non-scientist, you don't understand it well enough.

The true cost of oil isn't just the price per barrel—it's the environmental and social impact.

我们相信上帝。其他所有人都必须提供数据。