[19] You must be on your guard against this and take care that nothing of the sort happens in this case and that you are not yourselves seen to fall into the very faults which you find reprehensible in others. I think you know well enough that time and again in the past Athens has so deeply repented[18] the judgements which have been pronounced in passion and without proof that not long after the events she has become eager to punish her deceivers, and would gladly have seen the victims of calumny in happier circumstances than before.