We cannot let those who would try to destabilize the world to interfere with American interests and security.

Donald Trump lives in an alternative reality.

People should be able to rise as hard, high as their hard work, their ambition, their talent will take them.

I'm thrilled the president [Barack Obama] has endorsed me. We started off as fierce competitors, and we've ended up as true friends and partners and worked together on so many important issues.

We need fair rules of the road, so big corporations can't use their power to gain unfair advantages.

It's very short-sighted and even dangerous to be engaging in the kind of demagogic rhetoric that Donald has about Muslims.

I think I have this old-fashioned idea that when you are asking people to vote for you, it is kind of like a big job interview, and you oughta tell people what you think you can do for them. I think we can create more economic opportunity. I think we can improve education, make college affordable, deal with the myriad of issues that we confront.