429. How does the Church nourish the moral life of a Christian?The Church is the community in which the Christian receives the Word of God, the teachings of the "Law of Christ" (
Galatians 6:2), and the grace of the sacraments. Christians are united to the Eucharistic sacrifice of Christ in such a way that their moral life is an act of spiritual worship: and they learn the example of holiness from the Virgin Mary and the lives of the Saints.
Further reading: CCC 2030-2031, 2047430. Why does the Magisterium of the Church act in the field of morality?
It is the duty of the Magisterium of the Church to preach the faith that is to be believed and put into practice in life. This duty extends even to the specific precepts of the natural law because their observance is necessary for salvation.
Further reading: CCC 2032-2040, 2049 - 2051