And he said to him: I will return and come to thee at this time, life accompanying; and Sara thy wife shall have a son. Which when Sara heard, she laughed behind the door of the tent.
And Jacob blessed the sons of Joseph, and said: God, in whose sight my fathers Abraham and Isaac walked, God that feedeth me from my youth until this day:
And God said to Abraham: Sara, thy wife, shall bear thee a son; and thou shalt call his name Isaac. And I will establish my covenant with him for a perpetual covenant, and with his seed after him.