The true intellectual system of the universe : wherein all the reason and philosophy of atheism is confuted, and its impossibility demonstrated. A treatise on immutable morality ; with a discourse concerning the true notion of the Lord's supper: and two sermons on 1. John 2: 3, 4, and 1. Cor. 15: 27 / by Ralph Cudworth.Cudworth, Ralph, 1617-1688.