The consular Cethegus, on his way to serve under his father in Asia, said and did many foolish things. A friend describing him as a great ass, ‘Not even a great ass,’ said Demonax.

When Apollonius was appointed professor of philosophy in the Imperial household, Demonax witnessed his departure, attended by a great number of his pupils. ‘Why, here is Apollonius with all his Argonauts,’ he cried.