Porphyry (ca. 234 - ca. 305 AD). Porphyrii philosophi pythagorici: De non necandis ad epulandum animantibus [Pythagorean philosopher Porphyry: Of not killing animals to be eaten]. Lyons, 1620. [S. 2. 33.]
Born in the city of Tyre, Porphyry is today one of antiquity’s best known vegetarians. In this work he sets out spiritual and ethical grounds for not eating meat.