"Sparta has no walls because you, her warriors, are her walls. Sparta’s boundaries are undefined because these your spear-points define her borders. So when the Barbarians come, let them find nothing but death on the frontiers of Sparta!
Phobos and Deimos are the twin sons of Ares. They ride their fathers chariot into war spreading panic and fear among mortals in the battlefield. Because their mother is Aphrodite, goddess of love, the twins also represent the fear of loss.