A Commentary on the Heidelberg Catechism Of Faith The subject of faith is introduced next in order: 1. Because it is the means by which we are made partakers of the Mediator. 2. Because the preaching of the gospel profits nothing without faith. In speaking of faith, we must enquire: I. What is faith? II.… Read More Of Faith: Justifying and Non Justifying | Zacharias Ursinus