So long as I'm the president, we will. I clearly see the challenge. I see the challenge of what these threats pose to our homeland, and I see the challenge of what these threats pose to the world.

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 didn't actually know what regret tasted like—but I imagined if it did have a flavor, it would be lutefisk.

All I want out of life is that when I walk down the street folks will say "There goes the greatest hitter who ever lived."

Is the glass half full, or half empty? It depends on whether you're pouring, or drinking.

Invitation is the sincerest flattery.

Don't worry about being cool. Worry about being the best

The fully planned economy, so far from being unpopular, is warmly regarded by those who know it best.

I think other people's depression is frightfully dreary, don't you?

Self-acceptance is my refusal to be in an adversarial relationship to myself.

I prefer theatre to television - you get to feel the love.

The most beautiful thing in the world is to live each second as if it were your last.