There seem to be as many interpretations of the Theaetetus (Tht.) 201c–210b as there are scholars who care to interpret it. This, of course, is not surprising. As Cherniss well puts it,
the fascinating and perplexing history of Platonic interpretation…has been so largely a series of insistently charitable efforts on the part of Western philosophers and their acolytes, each to baptise Plato in his particular faith — having shriven him first, of course, by interpreting the heresies out of his works.