John Gills Exposition of the Bible Commentary - Genesis 22:16
And said, by myself have I sworn, saith the Lord ,.... Which Aben Ezra observes is a great oath, and abides for ever; for because he could swear by no greater, he swore by himself, his own nature, perfections, and life, Hebrews 6:13 ; hence it appears, that the Angel that called to Abraham was a divine Person, the true Jehovah: for because thou hast done this thing, and hast not withheld thy son , thine only son ; that is, from the Lord, as in Genesis 22:12 ; and is here... read more
Matthew Henry's Complete Commentary - Genesis 22:15-19
Abraham's obedience was graciously accepted; but this was not all: here we have it recompensed, abundantly recompensed, before he stirred from the place; probably while the ram he had sacrificed was yet burning God sent him this gracious message, renewed and ratified his covenant with him. All covenants were made by sacrifice, so was this by the typical sacrifices of Isaac and the ram. Very high expressions of God's favour to Abraham are employed in this confirmation of the covenant with him,... read more