Catechism of the Catholic Church §1019 — excerpt
Jesus, the Son of God, freely suffered death for us in complete and free submission to the will of God, his Father. By his death he has conquered death, and so opened the possibility of salvation to all men.
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.