Against Leptines (118-119)

Again, men of Athens, you must also consider well and carefully the fact that you have come into court today, sworn to give your verdict according to the laws, not of Sparta or Thebes, nor those of our earliest ancestors, but those under which immunities were granted to the men whom Leptines is now trying to rob by his law; and where there are no statutes to guide you, you are sworn to decide according to the best of your judgement. So far, so good. Then you must apply these principles to the law as a whole.

Is it right, Athenians, to honor your benefactors? It is. Well then, is it right to allow a man to keep what has once been given him? It is. Then, to observe your oaths, act on that principle yourselves; resent the imputation that your ancestors acted otherwise; and as for those who cite such instances, alleging that your ancestors rewarded no man for great benefits received, look upon them as both knaves and dullards—knaves, because they falsely charge your ancestors with ingratitude; fools, because they do not see that were the charge proved to the hilt, it would better become them to deny than to repeat it.