“Freedom makes man a moral subject. When he acts deliberately, man is, so to speak, the father of his acts. Human acts, that is, acts that are freely chosen in consequence of a judgment of conscience, can be morally evaluated. They are either good or evil.”
(CCC, n. 1749)
via http://www.catechism.cc/articles/contraception-heresy-5.htm
[…] first part, which is clearly laid out by the catechism and upheld by the Catholic Church, is that there is no such thing as a neutral moral action. EVERY action, banal or batman-esque, has a moral coefficient — it is either good or evil. […]