'To return to his place' refers to returning to a previous state.

(참조: Arcana Coelestia 2288, Genesis 18:33)

In Exodus 15:8, this signifies falsities gathered together. Waters normally signify truths, but in this case, where they were blocking the escape of the Children of Israel from slavery and signify the opposite: falsities.

(참조: Arcana Coelestia 8286)