Catechism of the Catholic Church §2604 — excerpt
The second prayer, before the raising of Lazarus, is recorded by St. John. Thanksgiving precedes the event: "Father, I thank you for having heard me," which implies that the Father always hears his petitions.
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: John 17