I think that when humans get around to exploring and building cities and towns on Mars, it will be viewed as one of the great times of humanity, a time when people set foot on another world and had the freedom to make their own world.

I grew up in the 1960s and wanted to become part of the great space exploration effort, but when I graduated from college in 1974, the Apollo program was over, and the country had moved into this pessimistic mode. We had entered the 'age of limits.'

In the 1960s, reaching for the moon meant just that. It was a metaphor for attempting the impossible, and we attempted it, and we did it. And it inspired millions of people in every way. The number of science graduates in this country doubled in the 1960s at every level - high school, college, Ph.D.

Robert Zubrin Quotes