The essential innocence of Oedipus, which survives the ruin of his hopes in this world, supplies the chief motive of the Oedipus at Colonos. This drama, which Sophocles is said to have written late in life, is in many ways contrasted with the former Oedipus. It begins with pity and horror, and ends with peace. It is only in part founded on Epic tradition, the main incident belonging apparently to the local mythology of the poet's birthplace. It also implies a later stage of ethical reflection, and in this respect resembles the Philoctetes; it depends more on lyrical and melodramatic effects, and allows more room for collateral and subsidiary motives than any other of the seven. Yet in its principal theme, the vindication or redemption of an essentially noble spirit from the consequences of error, it repeats a note which had been struck much earlier in the Aias with great force, although with some crudities of treatment which are absent from the later drama. 5. In one of the Epic poems which narrated the fall of Troy, the figure of Aias was more prominent than in the Iliad. He alone and unassisted was there said to have repulsed Hector from the ships, and he had the chief share, although in this he was aided by Odysseus, in rescuing the dead body of Achilles. Yet Achilles' arms were awarded by the votes of the chieftains, as the prize of valour, not to Aias, but to Odysseus. This, no doubt, meant that wisdom is better than strength. But the wisdom of Odysseus in these later Epics was often less nobly esteemed than in the Iliad and Odyssey, and was represented as alloyed with cunning.