Celsus (Greek: Κέλσος) was a 2nd century Greek philosopher and opponent of Christianity. He's known to us mainly through the reputation of his literary work, The True Word (Account, Doctrine or Discourse) (Λόγος Ἀληθής), almost entirely reproduced in excerpts by Origen in his counter-polemic Contra Celsum of 248, 70 or 80 years after Celsus wrote. Background A polemical writer against Christianity, Celsus flou… (More on Celsus)