On the False Embassy
Demosthenes
Demosthenes. Vol. II. De Corona, De Falsa Legatione, XVIII, XIX. Vince, C. A. and Vince, J. H., translators. Cambridge, MA: Harvard University Press, 1926 (1939 reprint).
then at last, at that crisis, when the city was encompassed with confusion and terror, off marched this wise, clever, smooth-tongued gentleman, without waiting for Council or Assembly to reappoint him, on his embassy to the court of the chief malefactor. He forgot that he had sworn that he was too ill to travel; forgot that another ambassador had been chosen in his stead, and that the law visits such conduct with death;
forgot that, with the Thebans not only holding all Boeotia but in possession of the territory of Phocis, it was a very odd thing for a man, who had solemnly announced that the Thebans had set a price upon his head, to walk straight into the middle of Thebes and the Theban encampment. Nevertheless, he was so excited, his appetite for moneymaking and bribe-taking was so keen, that he put aside and ignored all these obstacles, and off he went.