I'm willing to work with anyone of either party who has a good idea and the commitment to see through. And we should all expect you to hold us accountable for our progress or our failure to deliver.

One of the things you discover about being president is that there are all these rules and norms and laws and you got to pay attention to them.

When ignorant folks want to advertise their ignorance, you don't really have to do anything, you just let them talk.

The alternative, no limits on Iran's nuclear program, no inspections, an Iran that's closer to a nuclear weapon, the risk of regional nuclear arms race, and the greater risk of war - all that would endanger our [American] security.

We created a whole lot of millionaires to boot. Businesses did just fine. And you know there are plenty of patriotic, successful Americans all across the country -- I meet them every day -- who'd be willing to make this contribution again because they understand there is such a thing as the common good. They understand that we're in this thing together.

Congress should fund research on the effects that violent video games have on young minds... We don't benefit from ignorance. We don't benefit from not knowing the science.

We want our children to live in an America that isn't burdened by debt, that isn't weakened by inequality, that isn't threatened by the destructive power of a warming planet.