Heavy lifting doesn't need to be heavy spending if we do the job right.

It was challenging to understand what was necessary to successfully carry out all the training simulations that we, as crewmen, would experience, and make a very successful use of that training and education.

We can't start over and develop a Saturn 5-type vehicle from scratch.

There are a lot of people that get interested in something, and they hear about it, and they read about it, and then they watch it happen, and that's why I had quite an interest in the lottery because you'd interest a lot of people, and then just a few would win a chance to do something.

Not everyone will understand this need for America to lead the world in space.

Retain the vision for space exploration. If we turn our backs on the vision again, we're going to have to live in a secondary position in human space flight for the rest of the century.

The best way to study Mars is with two hands, eyes and ears of a geologist, first at a moon orbiting Mars... and then on the surface.