I am not sent, &c.] Chap. 10. 6. and 9. 36. To whom the promise was especially made, Romans 9:4. and to whom he was first to be revealed, Acts 3:26. and Acts 13:46. and with whom alone he did personally converse in his ministery, Romans 15:8.
of the house of Israel] Of the people of Israel, which was divided into tribes; but all those tribes came out of Jacobs house, who was called, Israel.