For I know him, that he will command his children and his household after him, and they shall keep the way of the LORD, to do justice and judgment; that the LORD may bring upon Abraham that which he hath spoken of him.
19. For I know him, that he will command his children . The second reason why God chooses to make Abraham a partaker of his counsel is, because he foresees that this would not be done in vain, and without profit.
The messengers from heaven had now despatched one part of their business, which was an errand of grace to Abraham and Sarah, and which they delivered first; but now they have before them work of another nature. Sodom is to be destroyed, and they must do it, Gen 19:13. Note, As with the Lord there is mercy, so he is the God to whom vengeance belongs.
Commenting on Genesis 18:16-22
For I know him,.... Not only by his omniscience, but with a special knowledge, such as is accompanied with peculiar love and affection; and so Jarchi says, it is expressive of love. God loved Abraham, he was a peculiar favourite of his, and therefore he would reveal his secrets to him, see Amo 3:2; and he knew not only who he was, but what he...