From the Series “The Apostles’ Creed.” The Holy Spirit is not merely a theological concept but rather the third person of the Trinity, coequal with the Father and the Son. The Holy Spirit cannot be controlled or manipulated by humans but can be personally known and related to. As a divine person, the Holy Spirit is actively present and involved in the lives of those who follow Jesus. He guides us into the fullness of truth, convicts us of sin, empowers us to live according to the teachings of Jesus, and assists us in prayer. Therefore, the Holy Spirit is not a mere doctrine or abstract idea but a living and dynamic reality in the life of every follower of Jesus.