Catechism of the Catholic Church §2628 — excerpt
Adoration is the first attitude of man acknowledging that he is a creature before his Creator. It exalts the greatness of the Lord who made us and the almighty power of the Savior who sets us free from evil.
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 24
Also cites: St. Augustine, En. in Ps. 62,16: PL 36, 757-758
