Ovid – Metamorphoses In the book XV of the Metamorphoses, Ovid talks about a philosopher who greatly influenced him – Pythagoras. Born in 570 BC in Samos, Pythagoras contributed to mathematics with his scientific discoveries, including the Pythagorean theorem, the Theory of proportions, the sphericity of the Earth, etc. He was a strict vegetarian and he implored people to adopt his diet. It is a … Continue reading Vegetarianism in literature: 9 vegetarian authors and their thoughts on plant-based diet