Summary: What exactly is the "Holy Spirit?" Is the Holy Spirit a ghost or something mystical, and why is the Holy Spirit important in a believer's life? Scripture references: Genesis 1:1,2; 1 Corinthians 2:4-12; Numbers 11:24-28; Joel 2:28,29; Luke 1:30-35; 3:21; John 7:37; Acts 1:8; Ephesians 1:13; Romans 8:1; Galatians 5:16-24
