Abraham bowed with his face to the ground and thought, "I am almost a hundred years old. How can I become a father? And Sarah is ninety. How can she have a child?" So he started laughing.
When Herod was king of Judea, there was a priest by the name of Zechariah from the priestly group of Abijah. His wife Elizabeth was from the family of Aaron.
Abraham's faith never became weak, not even when he was nearly a hundred years old. He knew that he was almost dead and that his wife Sarah could not have children.