III. Moral Life and Missionary Witness

From The Catechism of the Catholic Church

2045
Because they are members of the Body whose Head is Christ,⁸⁹ Christians
contribute to building up the Church by the constancy of their convictions and
their moral lives. the Church increases, grows, and develops through the
holiness of her faithful, until “we all attain to the unity of the faith
and of the knowledge of the Son of God, to mature manhood, to the measure of
the stature of the fullness of Christ.”⁹⁰

PART THREE: LIFE IN CHRIST

SECTION ONE MAN’S VOCATION LIFE IN THE SPIRIT
- CHAPTER THREE GOD’S SALVATION: LAW AND GRACE
  - Article 3 THE CHURCH, MOTHER AND TEACHER
    - III. Moral Life and Missionary Witness

From The Catechism of the Catholic Church – rosary.team