We do not know how much our climate could or will change in the future. We do not know how fast change will occur or even how some of our actions could impact it.

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.

How much you can learn when you fail determines how far you will go into achieving your goals.

The power of the harasser, the abuser, the rapist depends above all on the silence of women.

I trust myself. You need that to survive.

To truly find God, truth needs to be found independently from the opinions of others. The truth has to be found in our hearts.

Even though jeans suit me, I never wear jeans.

I listen to classical music very much. There's a lot of jazz that I don't enjoy listening to.

I love classical music. It has left a major mark on my playing.

It is very important in life to know when your cue comes.

If you build a good name, eventually, that name will be its own currency.