Don't tell me that man doesn't belong out there. Man belongs wherever he wants to go - and he'll do plenty well when he gets there.
The greatest gain from space travel consists in the extension of our knowledge. In a hundred years this newly won knowledge will pay huge and unexpected dividends.
It will free man from the remaining chains, the chains of gravity which still tie him to this planet.
We can lick gravity, but sometimes the paperwork is overwhelming.
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