The use of military force against Iran would be very dangerous. It would be very provocative. The only thing worse would be Iran being a nuclear power.

Courage is being afraid, but then doing what you have to do anyway.

People die when you crowd the streets of New York City with protesters. You can do plenty of protesting on the sidewalk.

There can be people who feel one way about gay rights, another way about gay rights. There can be people who have different views on abortion. But we respect each other. I think we learn from each other. And we understand that ultimately we have the same values.

I confirm that and Donald Trump now confirms that President Barack Obama is a legitimately elected president of the United States].

...if I can do it, it's not art.

And it's a little - very humbling to think that running for president of the United States is - for a kid from Brooklyn, it's quite a step.