Book excerpt: This concise anthology of primary sources designed for use in an ancient philosophy survey ranges from the Presocratics to Plato, Aristotle, the Hellenistic philosophers, and the Neoplatonists. The Second Edition features an amplified selection of Presocratic fragments in newly revised translations by Richard D. McKirahan. Also included is an expansion of the Hellenistic unit, featuring new selections from Lucretius and Sextus Empiricus as well as a new translation, by Peter J. Anderson, of most of Seneca’s De Providentia. The selections from Plotinus have also been expanded.