Roman Catechism 26.16

Chapter 26 — Part III: The Decalogue — The Third Commandment

Section 16. Finally, we are taught, and the instruction demands our serious attention, that there will not be wanting occasions which may lead to a forgetfulness of this Commandment, such as the evil example of others who neglect its observance, and an inordinate love of amusements and sports, which frequently withdraw from the holy and religious observance of the Lord's day.