I believe that this country succeeds when everyone gets a fair shot, when everyone does their fair share, when everyone plays by the same rules.

It was basic research in the photoelectric field-in the photoelectric effect that would one day lead to solar panels. It was basic research in physics that would eventually produce the CAT scan. The calculations of today's GPS satellites are based on the equations that Einstein put to paper more than a century ago.

You might not be ready for diplomacy with Beijing if you can't visit the Olympics without insulting our closest ally.

All of us - we should do everything we can to make sure this country lives up to our children's expectations.

We are not a nation that says 'don't ask, don't tell.' We are a nation that says 'out of many, we are one.'

There is not a black America and a white America; a Latino America, an Asian America. There is the United States of America.

I'm told there's a saying from those ancient times, kalos kai agathos, when someone or something is good and beautiful on the outside, but is also good and noble on the inside in terms of character and in terms of purpose. And I think that's a fine description of the friendship that exists between the Greek people and the American people.