Reviewed by: Explorations in Ancient and Modern Philosophy by Myles F. Burnyeat Allison Piñeros Glasscock and Elizabeth C. Shaw and Staff* BURNYEAT, Myles F. Explorations in Ancient and Modern Philosophy, vol. 4. Cambridge: Cambridge University Press, 2022. xii + 395 pp. Cloth, $120.00 The eleven essays in this collection were originally published while Burnyeat was at All Souls College, Oxford (1996–2006) and during his subsequent retirement. Like volume 3 of the same series, the collection was published posthumously, with editorial work undertaken by Carol Atack, Malcolm Schofield, and David Sedley. Part I contains seven essays on topics in ontology and epistemology; part II contains four essays on physics and optics. The figures examined include the usual suspects—Plato and Aristotle (plus an appearance by Aquinas)—but Burnyeat also draws our attention to some less appreciated accomplices to the ancient philosophical project: the Platonist commentator Numenius of Apamea, the Pythagorean Archytas of Tarentum, and Anaxarchus of Abdera, a follower of Democritus. The result is a collection that showcases one of Burnyeat's greatest strengths: his ability to identify the clues left for us in ancient texts and to produce from them compelling and exquisitely detailed accounts of what ancient philosophers were thinking and why. One of the final papers of the volume illustrates Burnyeat's detective acumen. "Archytas and optics" starts from the following question: Why is optics absent from the mathematical curriculum Plato sketches in the Republic? Burnyeat hypothesizes that if mathematical optics existed when the Republic was written, Plato likely excised it from the curriculum on the grounds that the discipline would lead the student to focus on visible things and their appearances. The bulk of the paper is devoted to establishing the antecedent of this conditional. Burnyeat argues that mathematical optics did exist at the time of the Republic's writing, and he posits the noncanonical Pythagorean Archytas as its founder. To recognize the significance of this lacuna in the Republic's curriculum and to provide a persuasive identification of the founder of an entire discipline is already to make a substantial contribution to scholarship. But how Burnyeat arrives at his central conclusion is equally impressive. He takes the reader on a tour of Aristotle, Plato, and Iamblichus, fragment 4 of Archytas, and the Apologia of Apuleius (whom readers might better recognize as the novelist responsible for The Golden [End Page 345] Ass). The result is not only an answer to the paper's central question, but a deeper understanding of the broader intellectual network in which canonical figures like Plato and Aristotle operated. No fragment is too small to catch Burnyeat's notice, nor is any line in a manuscript too faint. Part I of the collection includes Burnyeat's famous paper "Kinēsis vs. energeia: a much-read passage in (but not of) Aristotle's Metaphysics." The central argument is that Metaphysics 9.6.1048b18–35 is out of place. It was written by Aristotle for a different context and should not be printed in book 9. Because this article is so well known, I will not dwell on the details of the argument, but once again Burnyeat's methodology is worthy of comment. The first part of the paper offers a careful examination of the Metaphysics's manuscript tradition that attends both to what is present and to what is absent. For example, we learn that the focus passage is missing from an entire branch of the tradition, which Burnyeat suggests is the result of a learned excision. Later, Burnyeat develops a psychological sketch of the scribe of manuscript Ab beginning from the observation that a faint line is drawn through part of the focus passage. He argues that the scribe's motivation is not disapproval of the passage's contents but a desire to keep his text and commentary in sync. Observations like these provide the foundation for Burnyeat's thesis about the philosophical import of the focus passage, and they demonstrate that the physical record can be just as vital to reconstructions of ancient philosophy as the words that the record preserves. Occasionally, Burnyeat offers more direct admonitions to his readers about how to approach ancient philosophy. A key lesson...