Adam Clarke's Commentary on the Bible - Genesis 32:28
Thy name shall be called no more Jacob, but Israel - ושראל Yisrael , from שר sar , a prince, or שרה sarah , he ruled as a prince, and אל el , God; or rather from איש ish , a man, (the א aleph being dropped), and ראה raah , he saw, אל el , God; and this corresponds with the name which Jacob imposed on the place, calling it פניאל peniel , the faces of God, or of Elohim, which faces being manifested to him caused him to say, Genesis 32:30 , פנים אל פנים... read more
Adam Clarke's Commentary on the Bible - Genesis 32:26
Let me go, for the day breaketh - Probably meaning, that as it was now morning, Jacob must rejoin his wives and children, and proceed on their journey. Though phantoms are supposed to disappear when the sun rises, that could be no reason in this case. Most of the angelic appearances mentioned in the Old and New Testaments took place in open day, which put their reality out of question. read more