Adam Clarke's Commentary on the Bible - Genesis 18:27
Which am but dust and ashes - ואפר עפר 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. read more
Adam Clarke's Commentary on the Bible - Genesis 18:25
Shall not the Judge of all the earth do right? - God alone is the Judge of all men. Abraham, in thus addressing himself to the person in the text, considers him either as the Supreme Being or his representative. read more