Matrimony is the sacrament instituted by Christ in which an indissoluble covenant is made between one man and one woman before God. The sacrament confers special graces on the man and wife that they may live their vocation with fidelity to God and one another. Marriage is the foundation of the family which is in turn the fundamental cell of society.
Married couples must be open to life so as to raise their children in the true catholic religion. They are responsible for the spiritual development of their children and must model Christian virtues to them. The family is itself an Icon of the Holy Trinity and the only natural and holy model of family, this is written into every aspect of creation. Every Catholic household should be an Ecclesia Domestica – a “domestic Church” in which God is worshipped and the family learn and practice the faith.