Can we find the Holy Spirit in the Old Testament? Today, Sinclair Ferguson shows how the Spirit has intimately revealed the heart of God throughout history, culminating in the fullness of God’s revelation in Jesus Christ. For your donation of any amount, get Who Is the Holy Spirit?, Sinclair Ferguson’s video teaching series on DVD. We’ll include lifetime digital access to all 12 messages and the study guide, and we’ll also send you R.C. Sproul’s booklet Who Is the Holy Spirit?: https://gift.renewingyourmind.org/4293/offer   Live outside the U.S. and Canada? Request Sinclair Ferguson’s digital teaching series and study guide, as well as R.C. Sproul’s ebook, with your donation:  https://www.renewingyourmind.org/global   Meet Today’s Teacher:   Sinclair Ferguson is a Ligonier Ministries teaching fellow, vice-chairman of Ligonier Ministries, and Chancellor’s Professor of Systematic Theology at Reformed Theological Seminary.   Meet the Host:   Nathan W. Bingham is vice president of media for Ligonier Ministries, executive producer and host of Renewing Your Mind, and host of the Ask Ligonier podcast. Renewing Your Mind is a donor-supported outreach of Ligonier Ministries. Explore all of our podcasts: https://www.ligonier.org/podcasts

Released on 9 Sep 2025