Perry's Index to the Aesopica
Fables exist in many versions; here is one version in English:
SOCRATES AND THE SLAVE
Socrates was being rudely addressed by a slave who had actually seduced his
master's wife, a fact which Socrates knew to be familiar to the people who were
present. Socrates therefore said to the slave, 'You are pleased with yourself
because you are pleasing to someone whom you ought not to please, but don't
think you will escape unpunished, because you are not pleasing the person whom
you really ought to please!'
Aesop's Fables. A new translation by Laura
Oxford University Press (World's Classics): Oxford, 2002.
cover, with new ISBN, published in 2008; contents of book unchanged.
Perry 554: Gibbs (Oxford) 541 [English]
Perry 554: Phaedrus 6.27 [Latin]
You can find a compilation of Perry's index to the Aesopica in the gigantic appendix to his
edition of Babrius and Phaedrus for the Loeb Classical Library
(Harvard University Press: Cambridge, 1965). This book is an absolute must for anyone interested
in the Aesopic fable tradition. Invaluable.