" Bears?” Epaphroditus wrinkled his nose. “Everyone knows Prometheus was tormented by vultures. Every day they tore out his entrails, and every night he was miraculously healed, so that the ordeal was endlessly repeated.”
Martial laughed. “The trainer who can induce vultures to attack on command will be able to name any price! I suspect we’ll see a lot of bears today. "

― Steven Saylor , Empire (Roma, #2)