In Jeremiah 31:9, this signifies spiritual good and truth. (Arcana Coelestia 3325)

147. Internal Meaning of Ezekiel, Chapter 24

1-2 The end of the church among the Jewish nation. (3)

3-5 Through the Word truths together with goods have been given them, also the Divine presence. (2)

6-8 They are filthy by reason of the adulteration and profanation of truth and good. (2)

9-12 The Lord has labored with all His might, that they might grow better, (2)

13 but it could not be done; (2)

14 therefore they will die in their profanities.3

15-17 Everything of the church will be taken away from them, and yet there will be no grief on that account. (3)

18-19 This will take place when the Lord comes into the world. (1, 3, 1)

20-23 Then He will destroy all the worship of that church, and there will be no grief on that account. (1, 13)

24-27 When the Lord comes, those who will be led to the new church will be instructed. (1, 11, 3)