I think maybe my greatest weakness is that I trust people too much. I'm too trusting. And when they let me down, if they let me down, I never forgive. I find it very, very hard to forgive people that deceived me. So I don't know if you would call that a weakness, but my wife said "let up."

We need a total ban on foreign lobbyists raising money for American elections.

Anything greater than 350 of parts of carbon dioxide per million is more than the planet can safely deal with. It is what's overwhelming our climate system. Because we've been going up about three parts per million per year. And eventually, we will always be above 410, and then above 420, and above 430. We just keep pouring more carbon into the atmosphere.

I'm not going to change it, because I think Mitt Romney has proven to be not a smart person.

We will vote for the country we want; we will vote for the future we want; we will vote for the politics we want; and we will vote to put this corrupt government cartel out of business and out of business immediately.

Russia will have much greater respect for America when I'm leading than when other people have led it. You will see that. Russia will respect our country more.

Your electric bills will go down.