Catechism of the Catholic Church §2847 — excerpt
The Holy Spirit makes us discern between trials, which are necessary for the growth of the inner man, and temptation, which leads to sin and death.
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: Origen, De orat. 29 PG 11, 544CD