Nuclear fusion of light elements like hydrogen or helium would permit approaching the speed of light. It seems very attractive to refuel your space ships where the fuel is.

It is clear that the nation that assumes stewardship of the Moon now will inherit stewardship of the galaxy in the coming millennium. I think the USA is ready for that challenge!

We need the kind of leadership exemplified by President Kennedy to just do it! But we must do it as good stewards, aggressively exerting control over the moon. We can best do this by going there.

This is no job for a UN committee. It needs the same kind of unwavering dedication and the kinds of people that got us the first nuclear submarine and the first man on the moon.

When you buy a gallon of gas, over 60 percent of the energy you pay for goes out the radiator in the form of waste heat? That's why you have a radiator in your car in the first place.

Our present nuclear fusion reactors are classified by the methods used to support the nuclear fusion reaction, which takes place at a temperature much hotter than the surface of the Sun.

The 20th Century was the century of Aviation and the century of Globalization. The next century will be the century of Space.