"In the Old Testament, God chose individuals and anointed them with the Holy Spirit for special callings. There were prophets like Isaiah, priests like Aaron, and kings like David. But only Jesus Christ holds all three of these offices. In this message, R.C. Sproul considers the ways that Christ serves as our perfect Mediator. This message is from Dr. Sproul’s 60-part teaching series Foundations: An Overview of Systematic Theology. Learn more: https://www.ligonier.org/learn/series/foundations"