2798. Abraham took the wood of the burnt-offering, and laid it upon Isaac his son. That this signifies the merit of righteousness, is evident from what was said and shown above (n. 2784), thus without further explication. That he "laid it upon Isaac" signifies that the merit of righteousness was adjoined to the Divine rational, is evident from the representation of Isaac, as being the Lord's Divine rational (often shown before) and from the signification of "laying upon him," as being to adjoin. He is called his "son," because the Lord's Divine Human was not only conceived, but was also born of Jehovah. That the Lord was conceived of Jehovah is most fully known from the Word of the Lord; hence He is called the "Son of the Highest," the "Son of God," and the "Only-begotten of the Father," in many places (Matt. 2:15; 3:16-17; 16:13-17; 17:5; 27:43, 54; Mark 1:10; 9:7, 9; 14:61-62; Luke 1:31-32, 35; 3:21-22; 9:35; 10:22; John 1:14, 18, 50; 3:13, 16-18; 5:20-27; 6:69; 9:34-35, 38; 10:35-36; 20:30-31), and in many other places He calls Jehovah His "Father." [2] That He was born of the virgin Mary is known, yet as another man; but when He was born again, or became Divine, it was from Jehovah who was in Him, and who was Himself as to the very being of life. The unition of the Divine and the Human Essence was effected mutually and reciprocally, so that He united the Divine Essence to the Human and the Human to the Divine (see n. 1921, 1999, 2004, 2005, 2018, 2025, 2083, 2508, 2523, 2618, 2628, 2632, 2728, 2729). Hence it is evident that the Lord made the Human in Himself Divine by His own power, and thus became righteousness. The merit of righteousness was what was adjoined to the Divine rational when He underwent inmost temptations, and from it He then fought, and against this the evil genii fought, until He glorified this also. These are the things meant in the internal sense by Abraham laying the wood of the burnt-offering upon Isaac his son, and these are what are perceived by the angels when the words are read.