Who Is the Holy Spirit?
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Many people have claimed at various times and in various ways that the God of the Old Testament is not the same God as the God of the New Testament. Sadly, this assertion misunderstands the nature and purposes of God. God is immutable: He does not change in His nature, character, will, or purposes. Nonetheless, He has chosen to reveal His person and plans progressively in the history of redemption through His Spirit. This does not mean that the Spirit did not reveal the face of God at all in the Old Testament. On the contrary, the Old Testament reveals that the Spirit disclosed the very personal nature of our Lord to His people throughout the old covenant while pointing forward to the fullness of this disclosure in Jesus Christ.
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Sinclair Ferguson
Dr. Sinclair B. Ferguson is a Ligonier Ministries teaching fellow, vice-chairman of Ligonier Ministries, and Chancellor’s Professor of Systematic Theology at Reformed Theological Seminary. He is featured teacher for several Ligonier teaching series, including Union with Christ. He is author of many books, including The Whole Christ, Maturity, and Devoted to God's Church. Dr. Ferguson is also host of the podcast Things Unseen.
