John Gills Exposition of the Bible Commentary - Genesis 18:28
Peradventure there should lack five of the fifty righteous ,.... Or there should be but forty five; for Abraham perceived, by the Lord's answer, that there were not fifty righteous persons in the place: wilt thou destroy all the city for lack of five? Abraham proceeds gradually in his requests, and does not ask too much at once, lest he should not succeed: and he said, if l find there forty and five, I will not destroy it ; that is, forty five righteous persons. read more
Matthew Henry's Complete Commentary - Genesis 18:23-33
Communion with God is kept up by the word and by prayer. In the word God speaks to us; in prayer we speak to him. God had revealed to Abraham his purposes concerning Sodom; now from this Abraham takes occasion to speak to God on Sodom's behalf. Note, God's word then does us good when it furnishes us with matter for prayer and excites us to it. When God has spoken to us, we must consider what we have to say to him upon it. Observe, I. The solemnity of Abraham's address to God on this occasion:... read more