An example of the frankness which was between them is given by a difference they had over the case of Herodes Atticus. Herodes was a Greek rhetorician who had a school at Rome, and Marcus Aurelius was among his pupils. Both Marcus and the Emperor Antoninus had a high opinion of Herodes; and all we know goes to prove he was a man of high character and princely generosity. When quite young he was made administrator of the free cities in Asia, nor is it surprising to find that he made bitter enemies there; indeed, a just ruler was sure to make enemies. The end of it was that an Athenian deputation, headed by the orators Theodotus and Demostratus, made serious accusations against his honour. There is no need to discuss the merits of the case here; suffice it to say, Herodes succeeded in defending himself to the satisfaction of the emperor. Pronto appears to have taken the delegates' part, and to have accepted a brief for the prosecution, urged to some extent by personal considerations; and in this cause Marcus Aurelius writes to Fronto as follows:—