Westminster Shorter Catechism – Lord’s Day 41
Q & A 94
Q What is baptism?
A Baptism is a sacrament, wherein the washing with water in the name of the Father, and of the Son, and of the Holy Ghost,*1 does signify and seal our ingrafting into Christ, and partaking of the benefits of the covenant of grace, and our engagement to be the Lord’s.*2
Q & A 95
Q To whom is Baptism to be administered?
A Baptism is not to be administered to any that are out of the visible church, till they profess their faith in Christ, and obedience to him;*3 but the infants of such as are members of the visible church are to be baptized.*4
*1 Matthew 28:19.
*2 Acts 2:38-42; Acts 22:16; Romans 6:3-4; Galatians 3:26-27; 1 Peter 3:21.
*3 Acts 2:41; Acts 8:12, 36, 38; Acts 18:8.
*4 Genesis 17:7; Genesis 17:9-11; Acts 2:38-39; Acts 16:32-33; Colossians 2:11-12.