'The angel of Jehovah called to Abraham a second time out of heaven' means a still greater comfort received by the Lord from the Divine. 'And he said, By Myself I have sworn, says Jehovah' means unchangeable confirmation from the Divine. 'Because you have done this thing' means an accomplished fact. 'And not withheld your son, your only son' means the union of the Human and the Divine which was effected by means of the final degree of temptation.