Genesis 18:26-32

26And the LORD said, “If I find at Sodom fifty righteous in the city, I will spare the whole place for their sake.” 27Abraham answered and said, “Behold, I have undertaken to speak to the Lord, I who am but dust and ashes. 28Suppose five of the fifty righteous are lacking. Will you destroy the whole city for lack of five?” And he said, “I will not destroy it if I find forty-five there.” 29Again he spoke to him and said, “Suppose forty are found there.” He answered, “For the sake of forty I will not do it.” 30Then he said, “Oh let not the Lord be angry, and I will speak. Suppose thirty are found there.” He answered, “I will not do it, if I find thirty there.” 31He said, “Behold, I have undertaken to speak to the Lord. Suppose twenty are found there.” He answered, “For the sake of twenty I will not destroy it.” 32Then he said, “Oh let not the Lord be angry, and I will speak again but this once. Suppose ten are found there.” He answered, “For the sake of ten I will not destroy it.”