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      "text": "Are there any mythical beasts which aren't simple pastiches of nature? Centaurs, minotaurs, unicorns, griffons, chimeras, sphinxes, manticores, and the like don't speak well for the human imagination. None is as novel as a kangaroo or starfish.",
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      "text": "The best paradoxes raise questions about what kinds of contradictions can occur—what species of impossibilities are possible.",
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