History of the Peloponnesian War

Now it was from the following fact that he first established a claim for service with the king, and made a commencement of the whole business.

Having taken Byzantium when he was there before, after the return from Cyprus, (the Medes were in possession of it, and some connexions and relations of the king were taken in it,) on that occasion he sent back to the king those whom he had taken, not letting the other allies know, but giving out that they had escaped from him.

This he managed in concert with Gongylus the Eretrian, to whom he had committed Byzantium and the prisoners. He also sent Gongylus with a letter to him; in which, as was afterwards discovered, the following was written: