John Gills Exposition of the Bible Commentary - Genesis 17:24
And Abraham was ninety years old and nine ,.... See Genesis 17:1 . This circumstance of his age is observed the more to commend his faith and obedience, that though he was an old man, he did not consider his age, or make that an objection; that he was unable to bear the pain, or it would be shameful for a man of his years to be uncovered before his servants: when he was circumcised in the flesh of his foreskin ; who circumcised him is not said, very probably Eliezer his head servant:... read more
Matthew Henry's Complete Commentary - Genesis 17:23-27
We have here Abraham's obedience to the law of circumcision. He himself and all his family were circumcised, so receiving the token of the covenant and distinguishing themselves from other families, that had no part nor lot in the matter. 1. It was an implicit obedience: He did as God had said to him, and did not ask why or wherefore. God's will was not only a law to him, but a reason; he did it because God told him. 2. It was a speedy obedience: In the self-same day, Gen. 17:23, 26. Sincere... read more