Catechism of the Catholic Church §114 — excerpt
3. Be attentive to the analogy of faith. By "analogy of faith" we mean the coherence of the truths of faith among themselves and within the whole plan of Revelation.
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.