I'm a big believer in tolerance. I think that religion at it's best comes with a big dose of doubt.

And I want to work with this Congress, to make sure Americans already burdened with student loans can reduce their monthly payments, so that student debt doesn't derail anyone's dreams.

I think Republicans now are recognizing that [Obamacare cancellation] may not be what the American people, including even [Donald] Trump voters, are looking for. And my hope is that the president-elect, members of Congress from both parties look at, "Where have we objectively made progress, where things are working better?" Don't undo things just because I did them. I don't have pride of authorship.

A political candidacy built around hope and change and compromise would eventually become a presidency of crisis and confrontation.

American politics is always somewhat fluid. In this age of social media, it means that voters can swing back and forth.

Today, more than ever before, science holds the key to our survival as a planet and our security and prosperity as a nation. It's time we once again put science at the top of our agenda and work to restore America's place as the world leader in science and technology.

I was always amused that people were either skeptical or surprised that I would choose a Hillary Clinton as a secretary of state. To my mind, having somebody smart, tough, capable with her own stature, who could travel around the world and command the stage, was a huge asset.