Catechism of the Catholic Church §650 — excerpt
The Fathers contemplate the Resurrection from the perspective of the divine person of Christ who remained united to his soul and body, even when these were separated from each other by death: "By the unity of the divine nature, which remains present in each of the two components of man, these are reunited.
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.
Also cites: St. Gregory of Nyssa, In Christi res. Orat. I: PG 46, 617B · also DS 325 · 359 · 369