3247. And he sent them away from Isaac his son. That this signifies the distinction and separation of those who are spiritual from those who are celestial, is evident from what has just been said, namely, that the sons of Abraham by Keturah and by Hagar the Egyptian, who are called the “sons of the concubines,” represent the spiritual; and that Isaac, in the relative sense, represents the celestial (n. 3245); and that these two classes were separated.