Question. Since then thou hast now spoken of God the Father the Creatour, and of his Son Jesus Christ the Saviour, and so hast ended two parts of the Christian confession : now I would hear thee speak of the third part, what thou believest of the holy Ghost.
Answer. I confess that the holy Ghost is the third person of the most holy Trinity, proceeding from the Father and the Son before all beginning, equal with them both, and of the very same substance, and together with them both to be honored and called upon.
Scripture References: Matt. 28:19; 1 John 5:7, 10:22, 15:26, and 16:7; Acts 4:15-16, 5:3
Question. Why is he called Holy?
Answer. Not only for his own holiness: but also for that by him the elect of God and the members of Christ are made holy: for which cause, the holy Scriptures have called him the Spirit of sanctification.
Scripture Reference: Rom. 1:4 and 15:16; 2 Thess. 2:13; Titus 3:5; 1 Pet. 1:2