The revolutionary breakthrough will come with rockets that are fully and rapidly reusable. We will never conquer Mars unless we do that. It'll be too expensive. The American colonies would never have been pioneered if the ships that crossed the ocean hadn't been reusable.
Copy QuoteOur greatest glory is not in never falling, but in rising every time we fall.
Copy Quote View & ShareThe test of our progress is not whether we add more to the abundance of those who have much it is whether we provide enough for those who have little.
Copy Quote View & ShareThere are no extraordinary men... just extraordinary circumstances that ordinary men are forced to deal with.
Copy Quote View & ShareHistory is a gallery of pictures in which there are few originals and many copies.
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