Catechism Paragraph 2118
Part 3:
LIFE IN CHRIST
Section 2: THE TEN COMMANDMENTS
Chapter 1: YOU SHALL LOVE THE LORD YOUR GOD WITH ALL YOUR HEART, AND WITH ALL YOUR SOUL, AND WITH ALL YOUR MIND
Article 1: THE FIRST COMMANDMENT
Section 2: THE TEN COMMANDMENTS
Chapter 1: YOU SHALL LOVE THE LORD YOUR GOD WITH ALL YOUR HEART, AND WITH ALL YOUR SOUL, AND WITH ALL YOUR MIND
Article 1: THE FIRST COMMANDMENT
God's first commandment condemns the main sins of irreligion: tempting God, in words or deeds, sacrilege, and simony.