Catechism of the Catholic Church §1439 — excerpt
The process of conversion and repentance was described by Jesus in the parable of the prodigal son, the center of which is the merciful father: The fascination of illusory freedom, the abandonment of the father's house; the extreme misery in which the son finds himself…
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.