You cannot lead America to a positive tomorrow with revenge on one's mind. Revenge is so incredibly negative.

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've just finished my next collection, Possible Side Effects, and I'm now working on a collection of holiday stories as well as a memoir about my relationship with my father.

You don’t think – not possibly – not as a mere hundredth chance – there might be things that are real though we can’t see them? … If there are souls, could there not be soul-houses?

Deride not what I say because of its simplicity. Truth is always simple.

Think not of what you did yesterday, but what you can do for yourself today.

There are two things I will never do in my life. I will never climb Mount Everest, and I will never work with Val Kilmer again. There isn't enough money in the world.

Presents are the best way to show someone how much you care. It is like this tangible thing that you can point to and say, Hey man, I love you this many dollars-worth.

I think what we're talking about is a sense of fashion as laboratory work. I mean, we are not scientific, of course, but we are looking for ideas all the time.

It is not time that changes man nor knowledge the only thing that can change someone's mind is love.

Talent is hereditary; it may be the common possession of a whole family (eg, the Bach family); genius is not transmitted; it is never diffused, but is strictly individual.

I think we have to be very careful. If we do go back in, we need to understand why and what the probability of success is and exactly what we're going to do and what the limits are.