Contrary to the claims of some of my critics and some of the editorial pages, I am an ardent believer in the free market.

I look forward to teaching the occasional class, 'cause I was a professor. And I had fun doing it.

The biggest threat, when it comes to climate change and pollution, isn't going to come from us because we only have 300 million people. It's going to come from China with over 1 billion people and India with over 1 billion people.

We built this country by making things, by producing goods we could sell.

We've achieved this historic progress through diplomacy, without resorting to another war in the Middle East. I want to also point out that by working with Iran on this nuclear deal, we were better able to address other issues.

Muslim leaders around the globe have to continue working with us to decisively and unequivocally reject the hateful ideology that groups like ISIL and al Qaeda promote. To speak out against not just acts of violence, but also those interpretations of Islam that are incompatible with the values of religious tolerance, mutual respect, and human dignity.

I found during the course of my political career on the national scene there's a point where the vanity burns away and you've had your fill of your name in the papers, or big adoring crowds, or the exercise of power. And for me that happened fairly quickly. And then you are really focused on: What am I going to get done with this strange privilege that's been granted to me? How do I make myself worthy of it?