Westminster Shorter Catechism
94. What is baptism?
Answer
Baptism is a sacrament, wherein the washing with water in the name of the Father, and of the Son, and of the Holy Ghost, doth signify and seal our engrafting into Christ, and partaking of the benefits of the covenant of grace, and our engagement to be the Lord's.
Scripture references
Matthew 28:19 · Romans 6:4 · Galatians 3:27
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