What does the Bible say about the work of the Holy Spirit?

The Holy Spirit plays a vital role in the believer's life, particularly in regeneration and the granting of faith. According to Galatians 3:2, Paul asks the Galatians whether they received the Spirit by the works of the law or by the hearing of faith. This indicates that the Spirit’s work is not a response to human effort but is given through the divine proclamation of the gospel. The Spirit is the author of the new birth, enabling believers to understand and accept the truths of the gospel and thus affirming the necessity of the Holy Spirit in salvation. Without His work, faith cannot be birthed in the hearts of the dead in sins, affirming that salvation is all of grace.