Heidelberg Catechism · 1563

Q22. What, then, must a Christian believe?

All that is promised us in the Gospel, which the articles of our catholic and undoubted Christian faith teach us in a summary.
Answer · Heidelberg Catechism

Scripture proofs

  1. [1]
    Matthew 28:19

    Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost:

    John 20:30-31

    And many other signs truly did Jesus in the presence of his disciples, which are not written in this book: But these are written, that ye might believe that Jesus is the Christ, the Son of God; and that believing ye might have life through his name.

Proof texts as given in the original; verse text from the King James Version.