| A | B |
| 199. What are we commanded by the first commandment? | By the first commandment we are commanded to offer to God alone the supreme worship that is due Him. |
| 200. How do we worship God? | We worship God by acts of faith; hope; and charity; and by adoring Him and praying to Him. |
| 201. What does faith oblige us to do? | Faith obliges us: First; to make efforts to find out what God has revealed; Second; to believe firmly what God has revealed; Third; to profess our faith openly whenever necessary. |
| 202. What does hope oblige us to do? | Hope obliges us to trust firmly that God will give us eternal life and the means to obtain it. |
| 203. What does charity oblige us to do? | Charity obliges us to love God above all things because He is infinitely goo; and to love our neighbor as ourselves for the love of God. |
| 204. How can a Catholic best safeguard his faith? | A Catholic can best safeguard his faith by making frequent acts of faith; by praying for a strong faith; by studying his religion very earnestly; by living a good life; by good reading; by refusing to associate with the enemies of the Church; and by not reading books and papers opposed to the Church and her teaching. |
| 205. How does a Catholic sin against faith? | A Catholic sins against faith by apostasy; heresy; indifferentism; and by taking part in non-Catholic worship. |
| 206. Why does a Catholic sin against faith by taking part in non-Catholic worship? | A Catholic sins against faith by taking part in non-Catholic worship when he intends to identify himself with a religion he knows is defective. |
| 207. What are the sins against hope? | The sins against hope are presumption and despair. |
| 208. When does a person sin by presumption? | A person sins by presumption when he trusts that he can be saved by his own efforts without God’s help; or by God’s help without his own efforts. |
| 209. When does a person sin by despair? | A person sins by despair when he deliberately refuses to trust that God will give him the necessary help to save his soul. |
| 210. What are the chief sins against charity? | The chief sins against charity are hatred of God and of our neighbor; envy; sloth; and scandal. |
| 211. Besides the sins against faith; hope; and charity; what other sins does the first commandment forbid? | Besides the sins against faith; hope; and charity; the first commandment forbids also superstition and sacrilege. |
| 212. When does a person sin by superstition? | A person sins by superstition when he attributes to a creature a power that belongs to God alone; as when he makes use of charms or spells; believes in dreams or fortune-telling; or goes to spiritists. |
| 213. When does a person sin by sacrilege? | A person sins by sacrilege when he mistreats sacred persons; places; or things. |
| 214. Does the first commandment forbid us to honor the saints in heaven? | The first commandment does not forbid us to honor the saints in heaven; provided we do not give them the honor that belongs to God alone. |