The Code of Canon Law and the Code of Canons of the Eastern Churches, along with the Catechism of the Catholic Church and the Vatican II Documents, are some of the foundational works of the contemporary Catholic Church. The Catholic Church is a society governed by law, and since the earliest Christian centuries the “canons” have born an authority second only to the Scripture itself. Over the centuries these canons, the decrees of church councils, papal judgments, or the sayings of important saints, grew into a body of law which gave the Church its visible structure. Starting in the High Middle Ages, these canons were periodically collected, reconciled with each other, and promulgated by the papacy as codified law. This body of law continued to grow, becoming unwieldy and, as the Church entered the twentieth century, increasingly anachronistic.