This volume originated in the Eleventh Symposium Platonicum Pragense. Neither that symposium nor this volume could have come about without the financial support of the Czech Plato Society – the symposium’s main organizer – and the University Centre for the Study of the Classical and Medieval Intellectual Tradition, Charles University, Prague. I am very grateful to Gabriele Cornelli and Gábor Betegh for including the monograph in the Brill Plato Studies series. Special thanks for the invaluable help with the preparation of individual texts go to Michael Russo. I am also indebted to Filip Karfík and Štěpán Špinka for their support and helpful assistance.