104. This especially was Abraham’s praise, Gen. xviii 1 ff. for he watched at the door of his tent, that no stranger by any chance might pass by. He carefully kept a lookout, so as to meet the stranger, and anticipate him, and ask him not to pass by, saying: “My lord, if I have found favour in thy sight, pass not by thy servant.” Gen. xviii. 3. Therefore as a reward for his hospitality, he received the gift of posterity.