In this article, Costi Hinn unpacks eight reasons why theology matters for everyday Christians. He explains how what we believe about God influences how we pray, how we respond to suffering, how we view our work and relationships, and how we remain steadfast in a culture of confusion. Sound doctrine is not optional—it is the foundation for a life rooted in truth.

Joel Beeke, in his article about Calvin’s knowledge and piety, summarizes his view of Calvin’s teaching about the work of the Holy Spirit and the written Word this way: “The work of the Spirit does not supplement or supersede the revelation of Scripture, but authenticates it.” [1]