...Sound foreign policy is more than arms control, foreign aid and paying (United Nations) dues.

I guarantee you, as president of the United States, I know how to heal the wounds of war, I know how to deal with our adversaries, and I know how to deal with our friends.

Tolerance of dissent is the hallmark of a mature party, and it is well past time for the Republican Party to grow up.

The only way you approach politics and seek elective office is to move forward. For me to look back in anger or with any rancor would be a mistake.

I think [social media] is fundamentally restructuring the whole nature of information and how it's expressed in America.

I think that decisions should rest in the hands of the states. I'm a federalist.

The question is not whether you would like to be president or not. The question is: Do you think you can win and do you want to run? And none of those are clear to me.