Genesis 18:19-23

For I have chosen him, so that he may command his children and his household after him to keep the way of the Lord by doing righteousness and justice, so that the Lord may bring upon Abraham what He has spoken about him.”

And the Lord said, “The outcry of Sodom and Gomorrah is indeed great, and their sin is exceedingly grave.

I will go down now and see whether they have done entirely as the outcry, which has come to Me indicates; and if not, I will know.” Abraham Appeals for Sodom

Then the men turned away from there and went toward Sodom, while Abraham was still standing before the Lord.

Abraham approached and said, “Will You indeed sweep away the righteous with the wicked?