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I certainly don't think I'm deserving of taking up space forever as a human. There's a whole generation of people yet to be born that are going to be so much more evolved than I am. I don't want to take up space. They're going to be better equipped to make the world a better place than I am.

The question that will decide our destiny is not whether we shall expand into space. It is: shall we be one species or a million? A million species will not exhaust the ecological niches that are awaiting the arrival of intelligence.

It's our destiny to explore. It's our destiny to be a space-faring nation.

I think the potential for man is so enormous, if we can stay alive long enough, we're going to be seeing a lot of what Star Trek is projecting.

But I don't think we'll go there until we go back to the moon and develop a technology base for living and working and transporting ourselves through space.

Man must be in space - that is what we are destined for. There is nothing else that we can do.

I think space will be conquered through the mind rather than the clumsy medium of space travel.

I think the human race doesn't have a future if it doesn't go into space.

There's going to be space travel at some point.