Iran won't pursue nuclear weapons because 'it's contrary to their faith.'

If you look at how I've tried to and how I'll continue to try to govern, I'm not driven by some ideological agenda. I'm a pretty practical guy and I just want to make sure that things work.

We will harness the sun and the winds and the soil to fuel our cars and run our factories.

All I care about is making sure that I leave behind an America that is stronger, more prosperous, more stable, more secure than it was when I came into office and that's going to continue to drive me.

I don't think [pot] is more dangerous than alcohol.

We have not always been in sync on every issue in terms of our core values, in terms of her integrity, her truthfulness, her thoughtfulness, [Angela Merkel] doing her homework, knowing her facts, her commitment to looking out for the interests of the German people first, but recognizing that part of good leadership on behalf of the nation requires engaging the world as a whole, and participating effectively in multilaterally institutions, I think she's been outstanding.

There's a utility in the democracy refreshing itself on an ongoing basis.