I'm the commander -- see, I don't need to explain -- I do not need to explain why I say things. That's the interesting thing about being president.

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.

Do you know what my favorite part of the game is? The opportunity to play.

We learned not to meet anymore, We don't raise our eyes to one another, But we ourselves won't guarantee What could happen to us in an hour.

You are inexperienced. So was I, once. So is every man. The measure of a person is not how much they have lived. . . It's in how they make us of what life has shown them.

In 1956 we observed the electron antineutrino.

The central difficulty lies in the fact that all of the sciences have made such great progress during the last century that they have got quite beyond the reach of man

I would like now to shed light in your heart on the truth of things, for it was not my will, but that of the Father and my Rabbi, which was done that faithful night.

It's very nice to be a sort of normal person for once; I think it's about as normal as I'm going to get.

I actually think one of my strengths is my storytelling.

But, when Scripture makes a clear distinction between the act of creation and the process of preservation, we cannot accept the idea of a progressive creation process.

I flailed my arm in a throwing motion before I could even walk.