'Wilderness' signifies something with little life in it, as described in the internal sense in Luke 1:80 'Wilderness' signifies somewhere there is no good because there is no truth. 'Wilderness,' as in Jeremiah 23:10, signifies the Word when it is adulterated.

(Посилання: Arcana Coelestia 1927)

347. That 'the end of days' is used to mean the course of time may be clear to anyone. In its earliest form, when simplicity was still present in it, this doctrine called Cain does not seem to have been so unacceptable as it was later on. This is clear from the fact that they called offspring 'Gained a man, Jehovah'; so in its earliest form faith was not separated so much from love as it was 'at the end of days', or in the course of time, as usually happens with all doctrine that belongs to true faith.