Consider how odd it would be if all we knew about elephants had been written by elephants. Would we recognize one? What elephant author would describe--or perhaps even perceive--the features which are common to all elephants? We would find ourselves detecting these from indirect clues; for instance, elephant-naturalists would surely tell us that all other animals suffer from noselessness, which obliges them to use their paws in an unnatural way. [...]So when the human male describes his world he maps its distances from his unspoken natural center of reference, himself.