Hermann Karl Usener (1834 1905) published his monumental Epicurea in 1887. The volume is a collection of Epicurean texts and citations from a wide range of classical authors including Arrian, Cicero, Diodorus, Euripides, Plato and Seneca. The volume includes critical texts of Epicurus' most important letters: Letter to Menoeceus, Letter to Herodotus and Letter to Pythocles, preserved by the third-century compiler Diogenes Laertius. The letters give important summaries of Epicurus' philosophy. Usener's pioneering work represented the first attempt to deal critically with the manuscript...