The thing that we are trying to do at Facebook, is just help people connect and communicate more efficiently.

The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.

The relationship between wages and employment is not as straightforward as some models suggest.

一个好的模型是准确性和简洁性之间的折衷。

The number one benefit of information technology is that it empowers people to do what they want to do. It lets people be creative. It lets people be productive. It lets people learn things they didn't think they could learn before, and so in a sense it is all about potential.

科学最重要的一点是，它是一种防止你对自己撒谎的方式。