I continue to believe when I said in Hanover, that the E.U. remains one of the world's great political and economic achievements, and that those achievements should not be taken for granted.

Any so-called leader who does not take this issue (climate change) seriously or treats it like a joke is not fit to lead

We need earmark reform, and when I'm President, I will go line by line to make sure that we are not spending money unwisely.

The United States has to go through structural reforms in terms of improving our education system or revamping our infrastructure or, you know, looking at some regulations that weren't properly controlling excesses on Wall Street.

We are not at war with Islam. We are at war with people who have perverted Islam.

If you're 54 or 55, you might want to listen because this will affect you. The idea, which was originally presented by Congressman Ryan, your running mate, is that we would give a voucher to seniors and they could go out in the private marketplace and buy their own health insurance.

I delivered a clear and forceful message that although we recognize Russia's intelligence gathering will sometimes take place even if we don't like it, there's a difference between that than either meddling with elections or going after private organizations or commercial entities, and that we're monitoring it carefully, and we will respond appropriately if and when we see this happening.