Arcana Coelestia #4441
4441. And Jacob was silent until they came. That this signifies a consultation from the truths of faith that belonged to him and his descendants, is evident from the signification of “to be silent,” as being to silently think and take counsel; and from the signification of “until they (that is, the sons) came,” as being to do this from the truths of faith that belonged to him and his descendants (that “sons” are truths see n. 489, 491, 533, 1147, 2623, 3373, 4257). As the consultation was made with the sons, thus with the truths signified by the sons of Jacob, it follows that it was from the truths that belonged to Jacob and his descendants.
Arcana Coelestia #2623
2623. A son. That this signifies the Divine rational is evident from the signification of a “son.” In the internal sense of the Word a “son” signifies truth (n. 489, 491, 533); and as truth is the chief thing in the rational (n. 2072, 2189), the rational is also signified by a “son;” but here the Divine rational, in which principally there is good, which Isaac, who is the “son,” also represents (concerning which hereafter).