The greatest progress we have made, and the greatest progress we have yet to make, is in the human heart. In the end, all the world's wealth and a thousand armies are no match for the strength and decency of the human spirit.

I have news for the forces of greed and the defenders of the status quo: your time has come - and gone. It's time for change in America.

Education is not a privilege, it is a right!

No we can't cast ourselves as liberals.

I have said many times-if I hadn't been exposed to music as a child I don't think I would have been president.

[Alternative energy] will make us less dependent on foreign oil. It would make us more secure in our future. It would mean that our foreign policy could be a reflection of our values and our other interests, and not just that.

By lifting the weakest, poorest among us, we lift the rest of us as well.