How do we know the Holy Spirit is real?

Believers recognize the reality of the Holy Spirit through both internal experience and biblical testimony. Scripture affirms His presence, highlighting how the Holy Spirit acts in sealing believers and enabling them to understand and apply God's word. The transformative work of the Holy Spirit is evident in the life of a believer—producing faith, love, and holy affections that are visible both personally and corporately among the church. These changes often testify to His active participation in their spiritual journeys, providing assurance of His reality and ongoing work.