|Catechism of the Catholic Church|
IntraText - Text
2160 "O Lord, our Lord, how majestic is your name in all the earth" (⇒ Ps 8:1)!
2161 The second commandment enjoins respect for the Lord's name. the name of the Lord is holy.
2162 The second commandment forbids every improper use of God's name. Blasphemy is the use of the name of God, of Jesus Christ, of the Virgin Mary, and of the saints in an offensive way.
2163 False oaths call on God to be witness to a lie. Perjury is a grave offence against the Lord who is always faithful to his promises.
2164 "Do not swear whether by the Creator, or any creature, except truthfully, of necessity, and with reverence" (St. Ignatius of Loyola, Spiritual Exercises, 38).
2165 In Baptism, the Christian receives his name in the Church. Parents, godparents, and the pastor are to see that he be given a Christian name. the patron saint provides a model of charity and the assurance of his prayer.
2166 The Christian begins his prayers and activities with the Sign of the Cross: "in the name of the Father and of the Son and of the Holy Spirit. Amen."
2167 God calls each one by name (cf ⇒ Isa 43:1).