So the king of the south shall come into his kingdom, and shall return into his own land. So the king of the south - Ptolemy Euergetes: -
Shall come into his kingdom - That of Seleucus Callinicus.
And shall return - Having heard that a sedition had taken place in Egypt, Ptolemy Euergetes was obliged to return speedily in order to repress it; else he had wholly destroyed the kingdom of Callinicus.