Roman Catechism 14.2

Chapter 14 — Part I: The Creed — Article XII: Life Everlasting

Section 2. In his instructions to the faithful the pastor, therefore, should unceasingly endeavour to light up in their souls an ardent desire of the promised rewards of eternal life, so that whatever difficult duties he may inculcate as a part of the Christian's life, the faithful may look upon as light, or even agreeable, and may yield a more willing and cheerful obedience to God.