12 As regards children, they ought to submit to the parents and obey them, and give them honor for conscience' sake; while, on the other hand, parents are bound to give all care and watchful thought to the education of their offspring and their virtuous bringing up: "Fathers,... bring them up" [that is, your children] "in the discipline and correction of the Lord."(19) From this we see clearly that the duties of husbands and wives are neither few nor light; although to married people who are good these burdens become not only bearable but agreeable, owing to the strength which they gain through the sacrament.
Source: Arcanum Divinae (Vatican.va)