King James Version
Moses therefore gave unto you circumcision; (not because it is of Moses, but of the fathers;) and ye on the sabbath day circumcise a man.English Standard Version
Moses gave you circumcision (not that it is from Moses, but from the fathers), and you circumcise a man on the Sabbath.New International Version
Yet, because Moses gave you circumcision (though actually it did not come from Moses, but from the patriarchs), you circumcise a child on the Sabbath.