"I wish I knew," Ray says. "Although Greece's been through the wringer in more than a few wars after the fact... you guys do survive somehow. One way or another."

"You definitely want to find a teacher for the martial arts, then," he goes on. "Karate, or tae kwon do, or something like that- it's no substitute for a sword or a knife, but any advantage in a fight, you know? Especially when you're on alien ground and people don't know you."