2772. He said, Take I pray thy son. That this signifies the Divine rational begotten by Him, is evident from the signification of a “son,” as being the rational (see n. 2623); here the Divine rational, because by the son is meant Isaac; and that he represents the Lord’s Divine rational has been shown above (n. 1893, 2066, 2083, 2630). And as the Lord made His rational Divine by His own power, as has been often said, by “thy son” is also signified that it was begotten by Him (see n. 1893, 2093, 2625).

2624. In his old age. That this signifies when the days were fulfilled that the human should be put off, is evident from the signification of “old age,” as being the state when the human should be put off and the Divine put on (see n. 2198); for Abraham was at that time a hundred years old; and by this number is signified a full state of unition, as will be seen in the explication at verse 5.