CCC 1253

Baptism is the sacrament of faith. Cf. Mk 16:16. But faith needs the community of believers. It is only within the faith of the Church that each of the faithful can believe. the faith required for Baptism is not a perfect and mature faith, but a beginning that is called to develop. the catechumen or the godparent is asked: "What do you ask of God's Church?" the response is: "Faith!"

Read the full chapter 1. The Sacraments of Christian Initiation ¶1212–1419

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