Phlogiston, God, chakras, qi etc aren't metaphors - they're (quite literal) concepts from discarded prescientific ontologies. As far as we know (which isn't eve

Phlogiston, God, chakras, qi etc aren't metaphors - they're (quite literal) concepts from discarded prescientific ontologies. As far as we know (which isn't everything, but it's all we've got for now) they have no referents.