Genesis 18:19 (KJV) - 19 For I know him, that he will command his children and his household after him, and they shall keep the way of the LORD, to do justice and judgment; that the LORD may bring upon Abraham that which he hath spoken of him.
Genesis 18:21 (KJV)
I will go down now, and see whether they have done altogether according to the cry of it, which is come unto me; and if not I will know.
Genesis18:24 (KJV)
Peradventure there be fifty righteous within the city: wilt thou also destroy and not spare the place for the fifty righteous that are therein?
Genesis 18:25 (KJV)
That be far from thee to do after this manner, to slay the righteous with the wicked: and that the righteous should be as the wicked, that be far from thee; shall not the judge of all the earth do right?
Peradventure there shall lack five of the fifty righteous; wilt thou destroy all the city for the lack of five? And he said, If I find forty and five, I will not destroy it.
Genesis 18:29 (KJV)
And he spake unto him yet again;l, and said, Peradventure there be forty found there. And he said I would not do it for forty's sake.
Genesis 18:30 (KJV) - 30 And he said unto him, Oh let not the Lord be angry, and I will speak: Peradventure there shall thirty be found there. And he said, I will not do it, if I find thirty there.
31 And he said, Behold now, I have taken upon me to speak unto the Lord: Peradventure there shall be twenty found there. And he said, I will not destroy it for twenty's sake.
Genesis 18:32, 32 Then he said, “Let the Lord not be angry, and I will speak one more time. Suppose 10 are found there?” He answered, “I will not destroy it on account of 10.”- HCSB
Genesis 19:1 (KJV)
And there came two angels to Sodom at even; and Lot sat in the gate to Sodom: and Lot seeing them rose up to meet them; and he bowed himself with his face toward the ground;
Genesis 19:2 (KJV)
And he said, Behold now, my Lords, turn in, I pray you into thy servant's house, and tarry all night and wash your feet, and ye shall rise up early, and go on your ways. And they, said Nay; but we will abide in the street all night.
3 And he pressed upon them greatly; and they turned in unto him, and entered into his house; and he made them a feast, and did bake unleavened bread, and they did eat.