Ideas, like large rivers, never have just one source.

quote by Willy Ley
Added by Lucian Velea
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The study of an idea is, of necessity, the story of many things.

quote by Willy Ley
Added by Lucian Velea
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Just as the water of a river near its mouth, in its final form, is composed largely of many tributaries, so an idea, in its final form, is composed largely of later additions.

quote by Willy Ley
Added by Lucian Velea
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