This article looks at the relationship between the three parts of the Heidelberg Catechism - sin, deliverance, and gratitude. These three parts form a reformed alternative to the sacrament of penance, which also contains three parts - contrition, confession, and satisfaction. In contrast to the sacrament of penance, the Heidelberg Catechism encompasses the whole life of the Christian.

From John 13:1-20 we see the importance of "foot washing," and having real fellowship and support for one another in the church.