History of the Peloponnesian War

But Astyochus did not even think of punishing Alcibiades, especially as he no longer came within his reach as formerly, but going up to Magnesia to visit him and Tissaphernes he not only told them the contents of the letter he had received from Samos, himself becoming an informer, but also attached himself, as it was said, to Tissaphernes for his own private gain, both in this and in other matters; and it was for this reason that in dealing with the question of the pay, which was not being paid in full, his insistence was rather feeble.