Celsus (Greek: ') was a 2nd century Greek philosopher and opponent of Christianity. He is known to us entirely because his literary work, The True Word (Account, Doctrine or Discourse), was largely reproduced in excerpts by Origen in his counter-polemic Contra Celsum. The work is the earliest anti-Christian polemic to reach us. The author and his work Celsus was the author of an anti-Christian work titled "The true discourse". The work is lost, but much of it's preserved word-for-word in the pa… (More on Celsus)