Surely your turning of things upside down. — The words are better taken as exclamatory, O your perversity! Isaiah was indignant at that habit of always taking things at their wrong end, and looking on them from the wrong side.
Shall be esteemed as the potter’s clay... — Better, Shall the potter be counted as the clay? The Authorised version is scarcely intelligible. Taken as a question, the words bring out the character of the perversity, the upside-downness, of which the prophet speaks. The men whom he condemns were inverting the relations of the Creator and the creature, the potter and the clay, acting practically as atheists, denying that there was a Divine order of which they formed a part.