The only preparation for prospering in the global economy is investing in ourselves.

What we need to do is to have a sensible approach to immigration. It needs to be open. It needs to be non-dogmatic and non-bigoted. We need to be firm but reasonable in the way we deal with the problem of illegal immigration. And we need to try to get as many of our immigrants who want to do so to become citizens as quickly as possible so that the American people will all see that this is a part of the process of American history, which is a good one for our country.

I like the job. That's what I'll miss the most... I'm not sure anybody ever liked this as much as I've liked it.

The new energy future is decentralised, entrepreneurial and needs people like you to say 'Give me a clean car, give me solar shingles to put on my roof - give me a clean future'

From New Hampshire forward, for reasons that absolutely mystified me, the press thought the most important issue in the race was the middle class tax cut. I never did meet any voter who thought that.

Somehow we all end up paying for what we do.

Our land of new promise will be a nation that meets its obligations, a nation that balances its budget, but never loses the balance of its values.