In Brief CCC 381
© Libreria Editrice Vaticana Source: vatican.va
Man is predestined to reproduce the image of God's Son made man, the "image of the invisible God" (Col 1:15), so that Christ shall be the first-born of a multitude of brothers and sisters (cf Eph 1:3-6; Rom 8:29).
Read the full chapter 1. I Believe in God the Father ¶198–421