Heidelberg Catechism · Lord's Day 20
53. What do you believe concerning the Holy Spirit?
Answer
First, that he is co-eternal God with the Father and the Son. Second, that he is also given to me, to make me by true faith a partaker of Christ and all his benefits, to comfort me, and to abide with me forever.
Scripture references
Genesis 1:1-2 · Matthew 28:19 · Acts 5:3-4 · 1 Corinthians 6:19 · Galatians 4:6 · John 15:26 · Acts 9:31 · John 14:16
Study it, question by question
Bosko turns the catechism into a daily practice — guided study, spaced review, and an AI companion grounded in the Reformed tradition to talk it through.
