‘And the king of the south shall be strong’ – the king of Egypt, who was initially Ptolemy I Soter (meaning Saviour). Because of his comparative strength the king of the south eclipsed some of the other rival powers.
So accurately were the details of this failed political marriage fulfilled – given to Daniel more than 280 years before they occurred – that cynics claim that the book was written long afterward at the time of Antiochus IV, who we will come to later in the chapter. God alone knows the future, and those who deny his existence, and the reality of prophecy, are left with only human devices to explain the wonders of his word.