Originally published in in 1893, this book contains the text of the Socratic dialogue Protagoras, which discusses a variety of Sophistic and Socratic tenets, including the teachability of virtue. The dialogue also provides an interesting view on the connection between pederasty and education in ancient Athens. Notable Plato scholars James and Adele Adams present an introduction addressing the purpose and themes of the dialogue; a biography of Protagoras and extant fragments of his works are also included. This book will be of value to anyone with an interest in the Platonic, Socratic or Sophistic philosophies.