We've said to the Iranians all along . . . we still remain open to diplomacy. But it's been very clear that the Iranians don't want to engage with us.

What is portrayed as high-minded positions on issues sometimes is just designed to carve out some of their commercial interests.

Health care costs generally have gone up at a significantly slower rate since ObamaCare was passed than they did before, which has saved the federal Treasury hundreds of billions of dollars.

When it comes to our military, what we have to think about is not, you know just budgets, we've got to think about capabilities.

Physically, I feel probably as good as I've ever felt. And I've got as much energy as I ever did. But what you feel after eight years - and I think you'd feel this no matter what, but anytime you have a big transition, it gets magnified - is time passes.

The science [of global warming] is beyond dispute... Delay is no longer an option. Denial is no longer an acceptable response

There is a big part of me that has a writer's sensibility. And so that's how I think. That's how I pursue truth. That's how I hope to communicate truth to people.