At a time when the American family is threatened as never before, redefining it away from the union of one man and one woman only promises to weaken it as a child-rearing, values-conveying institution.

I'm not going to change who I am. I'm not going to change why I'm running... I'm running for president [in 2016], and I'm running because we can't afford another four years like the last eight years.

Just like Trump Tower, he [Donald Trump] must have hired a foreign worker to do his own tweets.

We understand that ISIS is a group that's growing in its governance of territory. It's not just Iraq and Syria. They are now a predominant group in Libya. They are beginning to pop up in Afghanistan. They are increasingly involved now in attacks in Yemen. They have Jordan in their sights. This group needs to be confronted with serious proposals.

If my house was on fire, I can't compromise about which part of the house I'm going to save. You save the whole house or it will all burn down. We either save this country or we do not.

Our options oftentimes on foreign policy are not a choice between a good one and a bad one. It's a choice between two less-than-ideal options. And you're trying to figure out which is the least harmful of the two. And I think that's something we should be encouraged by, not something that we should be critical of.

There's never been a nation like the United States, ever. It begins with the principles of our founding documents, principles that recognize that our rights come from God, not from our government - principles that recognize that because all of us are equal in the eyes of our creator, all life is sacred at every stage of life.