"The mighty God of Israel," who had just shown His infinite might in saving Jacob (whose name was by God changed to Israel, because by prayer he had might with this mighty God and had prevailed) from Esau his deadly foe. Jacob so called the altar he built on the spot before Shechem, already consecrated by Abram (Genesis 12:7; Genesis 33:19-20). By it he implied that Jehovah, who was Abram's God, is also his God, as He had shown by bringing him safe back to Canaan as his inheritance.