Doctrine > Confessions > Heidelberg Catechism > The Second Part - Our Deliverance > Holy Baptism > Lord's Day 26

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Q.How does holy baptism signify and seal to you that the one sacrifice of Christ on the cross benefits you?

A. In this way: Christ instituted this outward washing1 and with it gave the promise that, as surely as water washes away the dirt from the body, so certainly His blood and Spirit wash away the impurity of my soul, that is, all my sins.2

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Q.What does it mean to be washed with Christ’s blood and Spirit?

A. To be washed with Christ’s blood means to receive forgiveness of sins from God, through grace, because of Christ’s blood, poured out for us in His sacrifice on the cross.1 To be washed with His Spirit means to be renewed by the Holy Spirit and sanctified to be members of Christ, so that more and more we become dead to sin and lead a holy and blameless life.2

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Q.Where has Christ promised that He will wash us with His blood and Spirit as surely as we are washed with the water of baptism?

A. In the institution of baptism, where He says: Therefore go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit (Matthew 28:19). Whoever believes and is baptized will be saved, but whoever does not believe will be condemned (Mark 16:16). This promise is repeated where Scripture calls baptism the washing of rebirth and the washing away of sins (Titus 3:5; Acts 22:16).

Heidelberg Catechism

The Second Part - Our Deliverance

God the Father and Our Creation

God the Son and Our Redemption

God the Holy Spirit and Our Sanctification

Our Justification

Word and Sacraments

Holy Baptism

The Lord's Supper