America's nurses are the beating heart of our medical system.

As the world's largest economy and second-largest carbon emitter, as a country with unsurpassed ability to drive innovation and scientific breakthroughs, as the country that people around the world continue to look to in times of crisis, we've got a vital role to play. We can't stand on the sidelines. We've got a unique responsibility.

He [Barack Obama] talked about a crisises and he was blaming the Republicans on this crisises. It's like me blaming my wife for my drinking. I don't se how this is the Republicans fault.

When our sailors in the Persian Gulf accidentally strayed into Iranian waters, that could have sparked a major international incident. Some folks here in Washington rushed to declare that it was the start of another hostage crisis. Instead, we worked directly with the Iranian government and secured the release of our sailors in less than 24 hours.

I think at times of significant stress people are going to be looking for something and they don't always know exactly what it is that they're looking for and they may opt for change even if they're not entirely confident what that change will bring.

America must always lead on the world stage. If we don't, no one else will. The military that you have joined is, and always will be, the backbone of that leadership. But U.S. military action cannot be the only - or even primary - component of our leadership in every instance. Just because we have the best hammer does not mean that every problem is a nail.

The thing I know for sure is that at the end of my life, what I'm going to remember is the love I felt for my family and my friends, and whatever good I did for other people.