CCC 1270
© Libreria Editrice Vaticana Source: vatican.va
"Reborn as sons of God, [the baptized] must profess before men the faith they have received from God through the Church" and participate in the apostolic and missionary activity of the People of God. LG 11; cf. LG 17; AG 7; 23.
Read the full chapter 1. The Sacraments of Christian Initiation ¶1212–1419