In Greek mythology the Muses –patron goddesses of fine arts, history, humanities, and sciences– are tellingly portrayed as the daughters of Zeus and Mnemosyne, the goddess Memory, who is of the race of Titans, older still than Zeus and other Olympian deities. The relationship between memory and such fields as epic poetry, history, music and dance is easily recognizable to moderns. But bards/poets like Homer and Hesiod, who began oral storytelling by “invoking the Muses” with their audience, knew well that remembering, forgetting, and imagining are each to be esteemed as, in Hesiod’s words, “gifts of the goddesses.” The economy of memory is an important concern for moral psychology, philosophy of emotions, and philosophy of im...