Chapter III. The Holiness Of The Church. Holiness is also a mark of the true Church; for in the Creed we say, "I believe in the holy Catholic Church." Every society is founded for a special object. One society is formed with the view of cultivating social intercourse among its members; a second is organized to advance their temporal interests; and a third for the purpose of promoting literary pursuits. The Catholic Church is a society founded by our Lord Jesus Christ for the sanctification of its members; hence, St. Peter calls the Christians of his time "a chosen generation, a royal priesthood, a holy nation, a purchased people."30 The example of our Divine Founder, Jesus Christ, the sublime moral lessons He has taught us, the Sacraments He has instituted — all tend to our sanctification. They all concentre themselves in our soul, like so many heavenly rays, to enlighten and inflame it with the fire of devotion. When the Church speaks to us of the attributes of our Lord, of His justice and mercy and sanctity and truth, her object is not merely to extol the Divine perfections, but also to exhort us to imitate them, and to be like Him, just and merciful, holy and truthful. Behold the sublime Model that is placed before us! It [017] is not man, nor angel, nor archangel, but Jesus Christ, the Son of God, "who is the brightness of His glory, and the figure of His substance."31 The Church places His image over our altars,