In Exodus 4:18, this signifies the continuation of the previous life. (Arcana Coelestia 7014)

In Exodus 13:17, this signifies to fall into falsities. (Arcana Coelestia 8097)

In John 13:3, this signifies to be conceived and to exist from the Divine in Himself, and to be united to Him as soul to body. (Arcana Coelestia 852[9])

3217. When angels' discussion has to do with the understanding part of the mind, horses appear in the world of spirits below them, that is, in the communities which correspond to them. The size, shape, colour, and stance of the horses depends on the ideas which the angels have concerning the understanding. The horses also carry differing adornments. There is also a place quite deep down and a little towards the right which is called the abode of the intelligent. There horses are seen constantly, the reason being that those there are engaged in thought about the understanding; and when the angels who are engaged in a discussion about the understanding flow into the thoughts of those spirits, horses are seen. From this I have come to see what was meant by the horses seen by the prophets, and also by the horses mentioned in the Word, namely aspects of the understanding, 2760-2762.