The treatise of Origen Against Celsus is, of all his works, the most interesting to the modern reader. It is a defense of Christianity in opposition to a Greek philosopher named Celsus, who had attacked it in a work entitled, The True Word, or The True Discourse. Of this work we know nothing, except from the quotations contained in the Origen Against Celsus answer given to it by Origen. Nor has anything very certain been ascertained respecting its author. According to Origen, he was a follower of Epicures, but others have regarded him as a Platonist. If we may judge of the work by those specimens of it presented in the reply of Origen, it was little better than a compound of sophistry and slander. But there is reason to be grateful for it, as having called forth the admirable answer of Origen. This work was written in the old age of our author, and is composed with great care; while it abounds with proofs of the widest erudition. It is also perfectly orthodox; and, as Bishop Bull has