History of the Peloponnesian War

Even now, mistrusting the evidence even of the Helots themselves, the Ephors would not consent to take any decided step against him; in accordance with their regular custom towards themselves, namely, to be slow in taking any irrevocable resolve in the matter of a Spartan citizen, without indisputable proof. At last, it is said, the person who was going to carry to Artabazus the last letter for the king, a man of Argilus, once the favorite and most trusty servant of Pausanias, turned informer. Alarmed by the reflection that none of the previous messengers had ever returned, having counterfeited the seal, in order that, if he found himself mistaken in his surmises, or if Pausanias should ask to make some correction, he might not be discovered, he undid the letter, and found the postscript that he had suspected, viz., an order to put him to death.