Catechism of the Catholic Church §1502 — excerpt
The man of the Old Testament lives his sickness in the presence of God. It is before God that he laments his illness, and it is of God, Master of life and death, that he implores healing.
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.
Whole chapters cited: Psalm 38 · Isaiah 38