That might explain why Pausanias was instantly put to death by Alexander's close friends as he attempted to flee the scene, instead of being captured alive and tried before the Macedonian assembly. Philip, the great Macedonian conqueror was dead, the man who liberated his own country and brought if from the edge of the abyss into a world power.
The priest told him that he was a son of Zeus Ammon, destined to rule the world, and this must have confirmed in him his belief of divine origin. Alexander remained in Egypt until the middle of 331, and then returned to Tyre before facing Darius.
Alexander the Great - New World Encyclopedia