Catechism of the Catholic Church §712 — excerpt
The characteristics of the awaited Messiah begin to appear in the "Book of Emmanuel" ("Isaiah said this when he saw his glory," speaking of Christ), especially in the first two verses of Isaiah 11:
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: Isaiah 6 · Isaiah 7 · Isaiah 8 · Isaiah 9 · Isaiah 10 · Isaiah 11 · Isaiah 12