when revival occurs, people are filled with the Holy Spirit. Preaching becomes powerful when anointed by the Spirit. Duncan Campbell declared that after he experienced personal revival, he would preach sermons he had delivered before, but now they were characterized by divine power. The congregation can sing the same songs, yet now they are invigorated by the Spirit, and the times of corporate worship are characterized by joy and the presence of God's Spirit. Sixth, revival stimulates an attitude of