On Unbelievable Stories (31-33)

They say that Diomedes’ horses were man-eaters. But they were actually a wild-grazing herd. No one had been able to harness them to a chariot – but Heracles managed it.

It does not make sense that Calypso offered to make mortal Odysseus immortal. What she actually offered were magnificent, plentiful things for his nourishment and enjoyment during his life. Because of this, whenever we recline at a feast, enjoying ourselves magnificently, we too say we are among the gods.

Cerberos should be interpreted in the way I have interpreted the Hydra, i.e. that he had two pups who always walked beside their father, such that it seemed that he had three heads.