Adam Clarke's Commentary on the Bible - Matthew 23:9
Call no man your Father - Our Lord probably alludes to the Ab , or father of the Sanhedrin, who was the next after the nasi , or president. See on Matthew 20:21 ; (note). By which he gives his disciples to understand that he would have no Second, after himself, established in his Church, of which he alone was the head; and that perfect equality must subsist among them. read more
Adam Clarke's Commentary on the Bible - Matthew 23:8
But be not ye called Rabbi - As our Lord probably spoke in Hebrew, the latter word rabbi, in this verse, must have been in the plural; but as the contracted form of the plural sounds almost exactly like the singular, the Greek writer would naturally express them both in the same letters. None of the prophets had ever received this title, nor any of the Jewish doctors before the time of Hillel and Shammai, which was about the time of our Lord; and, as disputes on several subjects had run... read more