Peter Pett's Commentary on the Bible - Genesis 17:22
‘And he left off talking with him, and God went up from Abraham.’ The order in the second phrase suggests that the first phrase means it was God Who left off talking with Abraham. The covenant was complete. Its various ramifications had been explained. Now the theophany ceases. “God went up ---”. Compare 35:13; Judges 13:20. This indicates the end of a theophany. God departs, but not to another place. He leaves this world for His own abode, away from this world. His activity in this world is... read more
Peter Pett's Commentary on the Bible - Genesis 17:17-21
‘Then Abraham fell on his face, and laughed, and said in his heart, “Shall a child be born to him who is a hundred years old, and shall Sarah who is ninety years old produce a child?” And Abraham said to God, “Oh that Ishmael might live before you”.’ The writer makes clear that Abraham’s faith falters. He is clearly possessed with a mixture of emotions. At the words he expressly renews his attitude of obedient submission, he ‘falls on his face’ (compare Genesis 17:3). But he laughs. The... read more