Titus Lucretius Carus (c. 99 BC – c. 55 BC) was a Roman poet and philosopher. His only known work is the epic philosophical poem De rerum natura about the beliefs of Epicureanism, and which is translated into English as On the Nature of Things or "On the Nature of the Universe".

• http://en.wikipedia.org/wiki/Lucretius
• Page 44 - 50 - Greenblatt, S., 2011, The Swerve: How the World Became Modern: Norton, New York, 356p.