| A | B |
| 225. What are we commanded by the second commandment? | By the second commandment we are commanded always to speak with reverence of God; of the saints; and of holy things; and to be truthful in taking oaths and faithful to them and to our vows. |
| 226. What is an oath? | An oath is the calling on God to witness the truth of what we say. |
| 227. What things are necessary to make an oath lawful? | To make an oath lawful; three things are necessary: First; we must have a good reason for taking an oath; Second; we must be convinced that what we say under oath is true; Third; we must not swear; that is take an oath; to do what is wrong. |
| 228. What great sin does a person commit who deliberately calls on God to bear witness to a lie? | A person who deliberately calls on God to bear witness to a lie commits the very grievous sin of perjury. |
| 29. What is a vow? | A vow is a deliberate promise made to God by which a person binds himself under pain of sin to do something that is especially pleasing to God. |
| 230. What is meant by taking God’s name in vain? | By taking God’s name in vain is meant that the name of God or the holy name of Jesus Christ is used without reverence; for example; to express surprise or anger. |
| 231. Is it a sin to take God’s name in vain? | It is a sin to take God’s name in vain; ordinarily it is a venial sin. |
| 232. What is cursing? | Cursing is the calling down of some evil on a person; place; or thing. |
| 233. What is blasphemy? | Blasphemy is insulting language which expresses contempt for God; either directly or through His saints and holy things. |
| 234. What is the third commandment of God? | The third commandment of God is: Remember thou keep holy the Lord’s day. |
| 235. Why does the Church command us to keep Sunday as the Lord’s day? | The Church commands us to keep Sunday as the Lord’s day because on Sunday Christ rose from the dead; and on Sunday the Holy Spirit descended upon the apostles. |
| 236. What are we commanded by the third commandment? | By the third commandment we are commanded to worship God in a special manner on Sunday; the Lord’s day. |
| 237. How does the Church command us to worship God on Sunday? | The Church commands us to worship god on Sunday by assisting at the Holy Sacrifice of the Mass. |
| 238. What is forbidden by the third commandment of God? | By the third commandment of God all unnecessary servile work on Sunday is forbidden. |
| 239. What is servile work? | Servile work is that which requires labor of body rather than of mind. |
| 240. When is servile work allowed on Sunday? | Servile work is allowed on Sunday when the honor of God; our own need; or that of our neighbor requires it. |
| 241. What is the fourth commandment of God? | The fourth commandment of God is: Honor they father and thy mother. |