We have to change the whole job structure of America. We have got to basically reorient our economy toward the future.

Only astrophysicists new about the Internet 20 years ago. Today my cat has a website.

I figured if I could get really good people who were going to be able to have a big impact in the world over the next decade to come together once a year for ten years and actually sign a pledge to take action themselves, if we did that every year for ten years we could do a lot of good in the world. That's the difference between my meeting and any other. If you don't want to promise to do something, don't come to my meeting, stay home.

The struggle for your own character is the struggle for the nation's character.

I did not have sexual relations with that woman, Miss Lewinsky. I never told anybody to lie, not a single time - never. These allegations are false.

It is pretty hard to talk about responsibility unless you have exercised it yourself.

Globalisation is not something that we can hold off or turn off. It is the economic equivalent of a force of nature, like wind or water.