Catechism of the Catholic Church §563 — excerpt
No one, whether shepherd or wise man, can approach God here below except by kneeling before the manger at Bethlehem and adoring him hidden in the weakness of a new-born child.
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.