They assert that their program is purely peaceful. . . . We want them to demonstrate clearly in the actions they propose that they have truly abandoned any nuclear weapons ambition.

What I consistently say to young people - I say it in the United States, but I'll say it here in Germany and across Europe: Do not take for granted our systems of government and our way of life. I think there is a tendency, because we have lived in an era that has been largely stable and peaceful, at least in advanced countries, where living standards have generally gone up, there is a tendency I think to assume that that's always the case.

It is that fundamental belief, it is that fundamental belief, I am my brother’s keeper, I am my sister’s keeper that makes this country work. It’s what allows us to pursue our individual dreams and yet still come together as one American family. E pluribus unum. Out of many, one.

Together, we could open up government and invite citizens in, while connecting all of America to 21st century broadband. We could use technology to help achieve universal health care, to reach for a clean energy future, and to ensure that young Americans can compete - and win - in the global economy.

If you don't have good people, and you don't have a good process and you don't have, at some level, the basic reverence for [presidential] office, and an understanding of the incredible responsibilities and obligations, then, I think you can get into trouble.

If you're one of the more than 250 million Americans who already have health insurance, you will keep your health insurance. This law will only make it more secure and more affordable.

I believe in keeping guns out of our inner cities, and that our leaders must say so in the face of the gun manufacturer's lobby.