Genesis:18:27-28
jps@Genesis:18:27 @ And Abraham answered and said: 'Behold now, I have taken upon me to speak unto the Lord, who am but dust and ashes.
jps@Genesis:18:28 @ Peradventure there shall lack five of the fifty righteous; wilt Thou destroy all the city for lack of five?' And He said: 'I will not destroy it, if I find there forty and five.'