Keep exploring. Keep dreaming. Keep asking why. Don’t settle for what you already know. Never stop believing in the power of your ideas, your imagination, your hard work to change the world.

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.

I think it's useful to keep in mind I've been now President for over seven years and gun sales don't seem to have suffered during that time.

Netanyahu made all sorts of claims. This was going to be a terrible deal. This was going to result in Iran getting 50 billion dollars worth of relief. Iran would not abide by the agreement. None of that has come true.

Some may still deny the overwhelming judgment of science.

You [Bill Maher] seem to have done alright with your TV show... I mean, I don't get a sense... to the extent that they're boycotting you, it's because of your other wacky views rather than your particular views on religion.

The biggest threat that we face right now is not a nuclear missile coming over the skies. It's in a suitcase. This is why the issue of nuclear proliferation is so important. It is the - the biggest threat to the United States is a terrorist getting their hands on nuclear weapons.