It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.

Efficiency in farming should never come at the cost of biodiversity.

I think it's important to have a positive attitude and to be optimistic.

人工智能是一种工具，而不是人类智能的替代品。

世界的秩序不是给定的，而是构建的。

我们讲述的故事塑造了我们生活的世界。