Do I think faith will be an important part of being a good president? Yes, I do.

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 I can't change the past. Not my mistakes or the mistakes of others. But I can begin by changing me.

We are living in a multicultural society. Our role as leaders is to enable grappling with this situation, even when multiculturalism is difficult.

Do you still look at each other like you once did, back at the beginning of the story when everything was a question you were too afraid to find the answer to?

It is the small things in life which count; it is the inconsequential leak which empties the biggest reservoir.

Wikipedia is a victory of process over substance.

Gyms are always packed. The only machine available is the one that simulates the gynecological exam. You know, the Sharon Stone machine.

Behind every rational and irrational force in human society there is a social mechanism which determines where it is to appear and what forms it is to take.

I carry a notebook full of sketches of pictures I want to take - they are really scruffy sketches, but at least I am going out there with a clear objective.

Belief in yourself is what happens when you know you've done the thing things that entitle you to success.

I basically go to the gym three times a week to do weight training for one or two hours.