And He said, “I shall certainly return to you according to the time of life, and see, Sarah your wife is to have a son!” And Sarah was listening in the tent door which was behind him.
And the Messenger of יהוה appeared to him in a flame of fire from the midst of a bush. And he looked and saw the bush burning with fire, but the bush was not consumed.
“I have sworn by Myself, a word has gone out of My mouth in righteousness, and shall not return, so that to Me every knee shall bow, every tongue swear.