 <unk> produced in specific dioceses from the mid @-@ fourteenth century emphasized the Commandments and laid the foundation for the first official Church @-@ wide catechism , the <unk> Roman Catechism . Commissioned by the Council of Trent , it provided " thorough discussions of each commandment " but gave greater emphasis to the seven sacraments to emphasize the Catholic belief that Christian life was dependent upon the grace solely obtained through the sacramental life provided by the Catholic Church . This emphasis conflicted with Protestant beliefs , which held the Commandments as the source of divine grace . While more recent papal <unk> offer interpretations of Church teaching on individual commandments , throughout history official Church teachings on the Commandments are based on their mentions in the Old and New <unk> and the writings of the early Church Fathers <unk> , <unk> and Augustine . Later , theologians Thomas Aquinas and <unk> offered notable commentaries on the Commandments . Aquinas , a Doctor of the Church , considered them to be the " primary precepts of justice and all law , and natural reason gives immediate assent to them as being plainly evident principles . " 
