In Greek mythology, a sacred spring on Mount Parnassus believed to inspire poets and artists who drank from it.
From Greek 'Kastalia,' possibly from 'kastos' meaning pure or sacred, named after the nymph Castalia in ancient mythology.
Ancient Greeks believed that drinking from Castalia's waters would grant you poetic genius—it's basically mythology's way of explaining why some people become great artists, and it shows how cultures create stories around natural springs.
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