What does the Bible say about the Holy Spirit's role in revelation?

According to 1 Corinthians 2:10, the Holy Spirit searches all things, even the deep things of God, revealing them to believers. This revelation highlights the contrast between the natural man, who cannot understand spiritual truths, and the spiritually discerned understanding granted by the Holy Spirit. The Spirit's work is essential for comprehending the mysteries of the faith, enabling us to see the fulfilling of Old Testament prophecies in Christ's coming, death, and resurrection, as well as the profound truths of the New Testament regarding the Church and Christ's return.