'A whale,' as in Jeremiah 51:34, signifies people who possess the universal aspects of the knowledges of faith, as known, and apply them to evil purposes. 'Whales,' or 'great fishes,' are sometimes mentioned in the prophets, and are used to signify the universal aspects of knowledges

(Референци: Arcana Coelestia 42)

1686. 'Four kings with five' means the union existing with the latter four and the lack of union with the other five. This becomes clear from the meaning of 'four' and from the meaning of 'five'. Consisting of two pairs, 'four' means union, as also does two when it has regard to things that are married, as also noted in 720. 'Five' however means disunity because it is associated with fewness, as shown in 649. All things depend for their particular meanings on the subjects to which they refer.