Arcana Coelestia #4514
4514. 'Jacob said' means the external Ancient Church. This is clear from the representation of 'Jacob' as the Ancient Church, dealt with in 4439. And since the Ancient Church, like every other Church, is external and internal, 'Jacob' in the Word represents the external Church and 'Israel' the internal, 4286.
Daughters and sons
In Isaiah 60:4, this signifies goods and truths of the church. (Arcana Coelestia 489)
