We have a serious problem: America is addicted to oil... The best way to break this addiction is through technology.

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 can't go on, I'll go on.

Maybe that's what love is. Giving others the power to hurt you and trusting they'll use it to heal you instead.

I definitely think cheerleaders have no fear.

Wisdom is the abstract of the past, but beauty is the promise of the future.

The Ides of March was a fairly cynical film.

If your children spend most of their time in other people's houses, you're lucky; if they all congregate at your house, you're blessed.

One of the ways to reincarnate is to tell your story.

Happiness must be shared. Selfishness it its enemy; to make another happy is to be happy one's self. It is quiet, most easily won in moments of solitude and reflection. It comes from within.

I have a hard time with scheduling, and with hunkering down and planning. That's always been a struggle for me.