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
Question 53 of 129
Study it, question by question
Bosko turns the catechism into a few minutes a day — one question at a time, spaced so the answers actually stick, with an AI companion grounded in the Reformed tradition to talk through whatever you don't yet grasp.

