It's only when you hitch your wagon to something larger than yourself that you will realize your true potential.

The world doesn't just revolve around you.

America will continue its journey towards that distant horizon, and a better day.

Making your mark on the world is hard. If it were easy, everybody would do it.

In the face of impossible odds, ordinary people can do extraordinary things.

The real test is not whether you avoid failure, but whether you let it harden or shame you into inaction, or whether you learn from it; whether you choose to persevere.

Our individual salvation depends on collective salvation.

There's a lot of talk in this country about the federal deficit. But I think we should talk more about our empathy deficit.

If we're willing to shoulder each other's burdens, to take great risks, and to persevere through trial, America will continue its journey towards that distant horizon, and a better day.

The Iranian government uses the billions of dollars it earns from its oil and gas industry to build its nuclear program and to fund terrorist groups that export its militaristic and radical ideology to Iraq and throughout the Middle East.

I wish to comment about an amendment that I offered to the bill, S. 1082, that the Senate passed on Wednesday. Researchers and clinicians continue to make significant advancements in personalized medicine. The ability to diagnose, evaluate…

I wasn't happy that I couldn't be there personally.

Although I was unable to be present for these two votes, I would like to state for the record how I would have voted. I would have opposed Senator Cochran's amendment which requires the Secretary of HHS to certify that drug importation…

we heard from a panel of top climate change experts from around the world earlier this year that global warming is a certainty and that most of the temperature increase is very likely due to rising greenhouse gas concentrations. Reducing…

Before I get started, Michelle, you want to say anything?

I can relate to the Chicago Bulls. They're a young team. Sometimes, they're going make a few mistakes. But I think they have got great promise.

America simply cannot continue on this path. The need to drastically change our energy policy is no longer a debatable proposition.

For the very resource that has fueled our way of life over the last hundred years now threatens to destroy it if our generation does not act now and act boldly.

The price of our progress has always been borne by the struggle and sacrifice of our people - by leaders who have asked ordinary Americans to do extraordinary things.

The transformation of the cars we drive and the fuels we use would be the most ambitious energy project in decades, with results that would last for generations to come.

It's time for all of us to head back into the factories and universities; to the boardrooms and the halls of Congress so we can roll up our sleeves and find a way to get this done.

America is a country that hasn't come easily. In our brief history, we have been tested by revolution and slavery, war and depression, and great movements for social, civil, and equal rights.

A clean, secure energy future will take another American miracle. It will require a historic effort on the scale of what we saw in those factories during World War II.

It's the kind of American miracle we need today.

Meeting the challenge posed by our oil dependence won't require us to build the massive war machine that Franklin Roosevelt called for so many years ago, but it will require the same sense of shared sacrifice and responsibility from all of…