Roman Catechism 15.70

Chapter 15 — Part II: The Sacraments — Introduction on the Sacraments in General

Section 70. serve the living God, and thus work in us, through the blood of Christ, the grace which they signify. Comparing our Sacraments, therefore, with those of the Old Law we find that they are not only more efficacious, but also more fruitful in spiritual advantages, and more august in holiness.