Please be informed, there is a Santa Claus.

There are people who make things happen, there are people who watch things happen, and there are people who wonder what happened. To be successful, you need to be a person who makes things happen.

Be thankful for problems. If they were less difficult, someone with less ability might have your job.

Houston, we've had a problem here.

You need to be a person who makes things happen.

The vast loneliness is awe-inspiring and it makes you realize just what you have back there on Earth.

I never thought I didn't have a card to play.

The real friends of the space voyager are the stars. Their friendly, familiar patterns are constant companions, unchanging, out there.

The Earth from here is a grand oasis in the big vastness of space.

I was born a year after Lindbergh made his historic trip across the Atlantic. Boys like either dinosaurs or airplanes. I was very much an airplane boy.

For most of the time carrier aviation is more challenging than flying in a spacecraft

When one writer tries to silence another, he silences every writer-and in the end he also silences himself.

Life is a fragile and awesome gift.

Milk for infant as liquor for adult.

When you're too robotic and scripted, the students tune you out. So I always tried to use different learning modalities - kinesthetic, auditory, visual, whatever might bring learning to life.

All my life I had feared to-morrow, until I decided to have faith and to live to-day in courage.

And now, farewell to kindness, humanity and gratitude... I have substituted myself for Providence in rewarding the good; may the God of vengeance now yield me His place to punish the wicked.

I went to four different proms in high school. I was addicted to the whole ballroom thing.

I don't think any country can survive as a prosperous and dignified country unless there is rule of law.

The thing that most people call 'genius' I do not believe in.

Every true artist must, in his own way, be a magician, a charlatan.