和平不是免费的，需要不断努力维护。

历史是时间写在人类记忆上的一首循环诗。

If you ask an economist what’s driven economic growth, it’s been major advances in things that mattered – the mechanization of farming, mass manufacturing, things like that. The problem is, our society is not organized around doing that.

The best way to predict the future is to create it.

跨学科的合作对于解决科学中最具挑战性的问题至关重要。

Mathematics is the language in which the gods talk to people.

成功的关键是走进商店，听听员工们怎么说。每个人都参与进来是非常重要的。最好的想法来自基层。