When you're in government, of course, you have protection and you have people who are looking out for your wellbeing, but you can't live in a state of fear. If you do, you're not going to do your job very well and you're going to give yourself high blood pressure, which probably isn't worth it.

Our work has only begun. In our time we have an historic opportunity to shape a global balance of power that favors freedom and that will therefore deepen and extend the peace. And I use the word power broadly, because even more important than military and indeed economic power is the power of ideas, the power of compassion, and the power of hope.

I'm very glad my mother didn't let me quit piano lessons at age 10. She said I wasn't old enough or good enough to make that decision, and she was right. I remember at the time I was shocked. I did not like that my mother said those things to me. But when I got a chance to play with Yo-Yo Ma or more recently with Aretha Franklin, I thought, I'm really glad she said what she did.

I find it odd that suddenly people believe the United States is this Islamophobic country. I think this is the most tolerant country in the world.

It is a dangerous thing to ask why someone else has been given more. It is humbling - and indeed healthy - to ask why you have been given so much.

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

We don't want the smoking gun to be a mushroom cloud.