"I wasn't happy with the outcome in Vietnam. Now, I've never said that, but, you know, I'm getting to an age where I think I'd better start saying it... And I don't mean that to sound that I'm being critical of somebody or blaming somebody."

"A durable, long-term U.S.-China strategic relationship is even more important now than in previous decades. The relationship will continue to grow and prosper to the mutual benefit of all peoples."

"As I look back at the span of the Cold War in those early days, in the '50s, for example, there was a great deal of Soviet propaganda here in the United States, but it was clumsy, and it was anchored to a lot of ideological support in certain circles in America itself."

"I'm the only American alive or dead who presided unhappily over the removal of a vice president and a president."

"A patriot must always be ready to defend his country against his government."

"Let's stop big government energy mandates like cap-and-trade, and instead trust the American innovator to make us energy independent."

"This is the place where anybody - like an African American kid raised by a single mom - can be president."

"We need to understand that we are not each others' enemies in this country. And it is only the political class that derives its power by creating friction. It is only the media that derives its importance by creating friction... that uses every little thing to create this chasm between people. This is not who we are."