I have a very positive and optimistic view about what we can do together. That's why the slogan of my campaign is 'Stronger Together.' Because I think if we work together, if we overcome the divisiveness that sometimes sets Americans against one another, and instead we make some big goals - and I've set forth some big goals: Getting the economy to work for everyone, not just those at the top, making sure that we have the best education system from preschool through college, making it affordable, and so much else.

Women are the world's most underused resource.

It’s always surprising to me how many young women think they have to be perfect. I rarely meet a young man who doesn’t think he already is.

The best way to break down that fear is to spend time with somebody, put yourself in somebody else's shoes, understand what the other person is going through.

Let's continue to stand up for those who are vulnerable to being left out or marginalized.

I think what the president [Barack Obama] understands, and what he's trying to do, is that we have to support the Arab and Kurdish fighters on the ground who are actually doing the fighting.

I spent four and a half hours debating Donald Trump in three debates, which I think should put to rest any questions about my stamina.