We're concerned about AIDS inside our White House, make no mistake about it.

Fool me once, shame on - shame on you. Fool me - you can't get fooled again.

Leadership to me means duty, honor, country. It means character, and it means listening from time to time.

Terrorist attacks can shake the foundations of our biggest buildings, but they cannot touch the foundation of America. These acts shatter steel, but they cannot dent the steel of American resolve.

Freedom itself was attacked this morning by a faceless coward, and freedom will be defended.

Our enemies are innovative and resourceful, and so are we. They never stop thinking about new ways to harm our country and our people, and neither do we.

Freedom is not our gift to the world it is God's gift to humanity.

To those of you who received honours, awards and distinctions, I say, well done. And to the C students, I say, you too can be president of the United States.

I do solemnly swear that I will faithfully execute the Office of President of the United States, and will to the best of my Ability, preserve, protect and defend the Constitution of the United States

A dictatorship would be a heck of a lot easier, there's no question about it.

I believe a marriage is between a man and a woman.

I know it when I don't know it. Sometimes I know it when I don't think I know it. I need to trust myself in these moments, these rare moments of self-doubt.

While I am a great believer in the free enterprise system and all that it entails, I am an even stronger believer in the right of our people to live in a clean and pollution-free environment.

Neoclassical economics insists that advertising cannot force consumers to buy anything they don't already want to buy.

What I had that others didn't was a capacity for sticking to it.

The power of a theory is exactly proportional to the diversity of situations it can explain.

It never hurts to apologize, especially if you don't mean it.

The testing process usually happens when we least expect it, thereby catching you off guard and giving you no chance to display anything by your real personality.

Dare to be what your best self knows you ought to be; dare to be a bigger human being than you have ever been.

What made you immortal? (Nick) Really good DNA. (Acheron)

Fluttering and dancing in the breeze.