The essence of America - that which really unites us - is not ethnicity, or nationality or religion - it is an idea - and what an idea it is: That you can come from humble circumstances and do great things.

There is not going to be any pass for Palestinian leadership in fighting terror.

Well, I didn't feel that I could do justice to this story of my parents and their generation, and all that they did to make it possible for me to be who I am, if I sort of just put it at the beginning of a book about my last eight years in foreign policy.

Does anybody think these people were just sitting around drinking tea?

It is possible to work across the aisle in Washington, but it's hard. And I think it's been made worse by the kind of 24-hour news cycle, the fact that everything is on TV before you can work things out quietly. I think it's the intensity of information that makes it feel more difficult to get things done. But I didn't leave with a bitter taste about the politics. The one thing that I would say is, I do think there is an unfortunate tendency to turn political differences, or policy differences, into critiques of one another's character or motives, and that's unfortunate.

Your passion may be hard to spot, so keep an open mind and keep searching.

Tocqueville talked about "ceaseless agitation," citizens constantly use their institutions, constantly challenging them, constantly insisting upon their rights. It's also individuals taking responsibility for other individuals, recognition that no democracy works if they're weaklings.