CCC 1265 Baptism not only purifies from all sins, but also makes the neophyte “a new creature,” an adopted son of God, who has become a “partaker of the divine nature,”1 member of Christ and co-heir with him,2 and a temple of the Holy Spirit.3

1 2 Cor 5:17; 2 Pet 1:4; cf. Gal 4:5-7.
2 Cf. l Cor 6:15; 12:27; Rom 8:17.
3 Cf. l Cor 6:19.