What we will have attained when Neil Armstrong steps down upon the moon is a completely new step in the evolution of man.

There are flying grandfathers. But I intend to be an orbiting grandfather.

My friends they were dancing here in the streets of Huntsville when our first satellite orbited the Earth. They were dancing again when the first Americans landed on the Moon. I'd like to ask you, don't hang up your dancing slippers.

Looking back, nothing seems so simple than a utopian vision realised.

In order for us to use the very best judgment possible in spending the taxpayer's money intelligently, we just have to do a certain amount of this research and development work ourselves. We just have to keep our own hands dirty to command the professional respect of the contractor personnel engaged with actual design, shop and testing work.

Crash programs fail because they are based on theory that, with nine women pregnant, you can get a baby in a month.

Our sun is one of a 100 billion stars in our galaxy. Our galaxy is one of billions of galaxies populating the universe. It would be the height of presumption to think that we are the only living thing in that enormous immensity.