XXX
Of Lot’s deliverance from Sodom, and its consumption by fire from heaven; and of Abimelech, whose lust could not harm Sarah’s chastity.
After this promise Lot was delivered out of Sodom, and a fiery rain from heaven turned into ashes that whole region of the impious city, where custom had made sodomy as prevalent as laws have elsewhere made other kinds of wickedness. But this punishment of theirs was a specimen of the divine judgment to come. For what is meant by the angels forbidding those who were delivered to look back, but that we are not to look back in heart to the old life which, being regenerated through grace, we have put off, if we think to escape the last judgment? Lot’s wife, indeed, when she looked back, remained, and, being turned into salt, furnished to believing men a condiment by which to savour somewhat the warning to be drawn from that example. Then Abraham did again at Gerar, with Abimelech the king of that city, what he had done in Egypt about his wife, and received her back untouched in the same way. On this occasion, when the king rebuked Abraham for not saying she was his wife, and calling her his sister, he explained what he had been afraid of, and added this further, “And yet indeed she is my sister by the father’s side, but not by the mother’s”;933 for she was Abraham’s sister by his own father, and so near of kin. But her beauty was so great, that even at that advanced age she could be fallen in love with.
XXXI
Of Isaac, who was born according to the promise, whose name was given on account of the laughter of both parents.
After these things a son was born to Abraham, according to God’s promise, of Sarah, and was called Isaac, which means “laughter.” For his father had laughed when he was promised to him, in wondering delight, and his mother, when he was again promised by those three men, had laughed, doubting for joy; yet she was blamed by the angel because that laughter, although it was for joy, yet was not full of faith. Afterwards she was confirmed in faith by the same angel. From this, then, the boy got his name. For when Isaac was born and called by that name, Sarah showed that her laughter was not that of scornful reproach, but that of joyful praise; for she said, “God hath made me to laugh, so that everyone who hears will laugh with me.”934 Then in a little while the bond maid was cast out of the house with her son; and, according to the apostle, these two women signify the old and new covenants—Sarah representing that of the Jerusalem which is above, that is, the city of God.935
XXXII
Of Abraham’s obedience and faith, which were proved by the offering up of his son in sacrifice; and of Sarah’s death.
Among other things, of which it would take too long time to mention the whole, Abraham was tempted about the offering up of his well-beloved son Isaac, to prove his pious obedience, and so make it known to the world, not to God. Now every temptation is not blameworthy; it may even be praiseworthy, because it furnishes probation. And, for the most part, the human mind cannot attain to self-knowledge otherwise than by making trial of its powers through temptation, by some kind of experimental and not merely verbal self-interrogation; when, if it has acknowledged the gift of God, it is pious, and is consolidated by steadfast grace and not puffed up by vain boasting. Of course Abraham could never believe that God delighted in human sacrifices; yet when the divine commandment thundered, it was to be obeyed, not disputed. Yet Abraham is worthy of praise, because he all along believed that his son, on being offered up, would rise again; for God had said to him, when he was unwilling to fulfil his wife’s pleasure by casting out the bond maid and her son, “In Isaac shall thy seed be called.” No doubt He then goes on to say, “And as for the son of this bond woman, I will make him a great nation, because he
