This book reveals the operational impact of the Holy Spirit upon Jesus Christ, Peter, and Paul before their ministries. The Bible shows us a number of notable men and women of God who were anointed with the Holy Spirit before their service for God. And without the operation of the Holy Spirit, you cannot be an effective minister for God's service. The Operational Impact of the Holy Spirit further explores the functions of the Holy Spirit upon mankind. It distinguishes the difference between the spirit that God breathed unto mankind from the Spirit that is imparted upon us for service. The book also shows how the soul and body affect the proper functionality of the Spirit upon mankind. We conclude by looking at a number of areas that can hinder the proper operation of the Holy Spirit, further exploring remedies, and learning how to prevent grieving the Holy Spirit.