The arc of the moral universe may bend towards justice, but it doesn't bend on its own.

As has been well documented, I smoked pot as a kid, and I view it as a bad habit and a vice, not very different from the cigarettes that I smoked as a young person up through a big chunk of my adult life. I don't think it is more dangerous than alcohol.

Part of the power of the Internet is that information flows out there and it's generally not censored and it's generally not controlled by any single authority.

We can't get to the $4 trillion in savings that we need by just cutting the 12 percent of the budget that pays for things like medical research and education funding and food inspectors and the weather service. And we can't just do it by making seniors pay more for Medicare.

We, the people, still believe that our obligations as Americans are not just to ourselves, but to all posterity.

Here in Europe some of the challenges have to do with structures that are so complicated. You've got Brussels, and you've got parliament, you've got councils and then you've got national governments. So people sometimes don't feel as if they know who's making decisions, and the more that we can bring people in and engage them, the better. Some of it is also cultural and social, people's sense of identity.

I don't want to make decisions about what I'm eating or wearing. Because I have too many other decisions to make.