" According to royal doctrine, the king’s role as defender of Egypt (and the whole of creation) involved the corresponding defeat of Egypt’s neighbors (who stood for chaos). To instill and foster a sense of national identity, it suited the ruling elite—as leaders have discovered throughout history—to cast all foreigners as the enemy. An ivory label from the tomb of Narmer shows a Palestinian dignitary stooping in homage before the Egyptian king. At the same time, in the real world, Egypt and Palestine were busy engaging in trade. The xenophobic ideology masked the practical reality. "

― Toby Wilkinson , The Rise and Fall of Ancient Egypt: The History of a Civilisation from 3000 BC to Cleopatra