Embryonic stem-cell research requires the destruction of life to create a stem cell. That's why I think we've got to be very careful in balancing the ethics and the science.

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.

He says every story has at least some truth in it, even if most are made up.

We are living in a moment where we have broken the equilibrium of the planet. We are not paying attention to our intuitive side. We only pay attention to our reason. We have become an urban animal

I am surprised nothing has been made of the fact that astronaut Neil Armstrong carried no sidearms when he landed on the moon.

To make us love our country, our country ought to be lovely.

Now is the time for guts and guile.

People exaggerate the value of things they haven't got everybody worships truth and unselfishness because they have no experience with them

I can't think of a performer who is better on television than in person.

I believe the things I love inwardly will be received by the right people outwardly. I believe that what I believe in will be received well. I try to keep that as a foundation to what I do.

I detest those who deceive me.

Libertarians typically argue that particular obligations, at least under normal circumstances, must be created by consent; they cannot be unilaterally imposed by others.