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).
You have before your eyes the dangers with which the city is encompassed as the result of the reputation he has achieved. Now other forms of ability are almost wholly independent of conditions; but the ability of the speaker is paralyzed by the recalcitrance of his audience. Listen to him, then, as to a knave and a bribe-taker, who will have no truthful word to utter.
Observe in conclusion that, apart from all other reasons, the conviction of this man is eminently desirable in view of your future relations with Philip. For if Philip ever finds himself under the necessity of treating Athens with common justice, he will have to remodel his methods. At present his chosen policy is to cheat the many and court the few; but, when he learns that his favorites have been brought to ruin, he will wish for the future to deal with the many, who are the real masters of our state.