Matthew Henry on Genesis 18:23–end
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: Abraham drew near, Gen 18:23. The expression intimates, 1. A holy concern: He engaged his heart to approach to God, Jer 30:21. "Shall Sodom be destroyed, and I not speak one good word for it?" 2. A holy…
Read the whole note in the consoleJamieson-Fausset-Brown on Genesis 18:23
ABRAHAM'S INTERCESSION. (Gen 18:23-33)
Abraham drew near, and said, &c.--The scene described is full of interest and instruction--showing in an unmistakable manner the efficacy of prayer and intercession. (See also Pro 15:8; Jam 5:16). Abraham reasoned justly as to the rectitude of the divine procedure (Rom 3:5-6), and many guilty cities and nations have been spared on account of God's people (Mat 5:13; Mat 24:22).
Adam Clarke on Genesis 18:27
Which am but dust and ashes - עפר ואפר aphar vaepher, words very similar in sound, as they refer to matters which so much resemble each other. Dust - the lightest particles of earth. Ashes - the residuum of consumed substances. By these expressions he shows how deeply his soul was humbled in the presence of God. He who has high thoughts of himself must have low thoughts of the dignity of the Divine nature, of the majesty of God, and the sinfulness of sin.
John Gill on Genesis 18:30
And he said unto him, Oh, let not the Lord be angry, and I will speak,.... He feared, through his importunity, he should be wearisome to him and incur his displeasure; this being often the case among men, especially when inferiors are soliciting their superiors, and, not content with one favour, are pressing for more:
Peradventure there shall thirty be found there; the abatement is larger than before; he only made an abatement of five at a time, now ten at once, and so he proceeds:
and he said, I will not do it, if I find thirty there; not destroy the place for their sake.