Arcana Coelestia # 2772
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).
Arcana Coelestia # 2630
2630. Isaac. That this signifies the Divine Rational, is evident from what has been said before concerning Abraham, Isaac, and Jacob (n. 1893, 2066, 2083), namely, that Abraham represents the supreme Divine, Isaac the Divine rational, and Jacob His Divine natural; as will also be seen hereafter, where Isaac is treated of.