17 And the Lord said, Am I to keep back from Abraham the knowledge of what I do; 18 Seeing that Abraham will certainly become a great and strong nation, and his name will be used by all the nations of the earth as a blessing? 19 For I have made him mine so that he may give orders to his children and those of his line after him, to keep the ways of the Lord, to do what is good and right: so that the Lord may do to Abraham as he has said.
Matthew Henry's Commentary on Genesis 18:17-19
Commentary on Genesis 18:16-22
(Read Genesis 18:16-22)
The two who are supposed to have been created angels went toward Sodom. The one who is called Jehovah throughout the chapter, continued with Abraham, and would not hide from him the thing he intended to do. Though God long forbears with sinners, from which they fancy that the Lord does not see, and does not regard; yet when the day of his wrath comes, he will look toward them. The Lord will give Abraham an opportunity to intercede with him, and shows him the reason of his conduct. Consider, as a very bright part of Abraham's character and example, that he not only prayed with his family, but he was very careful to teach and rule them well. Those who expect family blessings must make conscience of family duty. Abraham did not fill their heads with matters of doubtful dispute; but he taught them to be serious and devout in the worship of God, and to be honest in their dealings with all men. Of how few may such a character be given in our days! How little care is taken by masters of families to ground those under them in the principles of religion! Do we watch from sabbath to sabbath whether they go forward or backward?