If you don't feel something strongly you're not going to achieve.

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.

Ah, the magic of music, with it, all things are possible.

My greatest expectation is that I expect more of myself than anyone could expect.

Men are apt to prefer a prosperous error to an afflicted truth.

There are two kinds of stones, as everyone knows, one of which rolls.

The right diet directs sexual energy into the parts that matter.

Success is not a doorway, it's a stairway.

The beholder's eye, which moves like an animal grazing, follows paths prepared for it in the picture.

We should tax things we don't like. We should tax pollution ... And we should lighten the taxes on things we do like, like honest labor, like food.

We've got communism. We have Bushism. We have Clintonism. But there isn't a Trumpism. Bullet-point for me what the Trump political philosophy is and you can't do it, because he's not a political guy.

Power posing! I do it before any appearance and recommend it to everyone. Gold!