Achilles in the fifth century BC, Pindar had mentioned a cult of Achilles on a "bright island" (φαεννά νᾶσος, "phaenná nâsos") of the Black Sea, while in another of his works, Pindar would retell the story of the immortalized Achilles living on a geographically indefinite Island of the Blest together with other heroes such as his father Peleus and Cadmus. Well known is the connection of these mythological Fortunate Isles (μακαρῶν νῆσοι, "makárôn nêsoi") or the Homeric Elysium with the stream Oceanus which according to Greek mythology surrounds the inhabited world, which should have accounted for the identification of the northern
Achilles also wrote "The Lovers of Achilles", a play with Achilles as the main character. Only a few fragments survive. Towards the end of the 5th century BC, a more negative view of Achilles emerges in Greek drama; Euripides refers to Achilles in a bitter or ironic tone in "Hecuba", "Electra", and "Iphigenia in Aulis". The philosopher Zeno of Elea centered one of his paradoxes on an imaginary footrace between "swift-footed" Achilles and a tortoise, by which he attempted to show that Achilles could not catch up to a tortoise with a head start, and therefore that motion and change were