Having seen the Father as the one God and Christ as His begotten Son, one question remains: who, or what, is the Holy Spirit? Here the careful reader has often been hurried past the plain language of Scripture and handed a conclusion instead. So this lesson does the opposite. It does not begin with a creed and search for proof; it begins with the way the Bible itself uses one ordinary word — spirit — and lets that meaning carry us, verse by verse, to the One the Bible calls the Comforter.
Question 01
What does the Bible mean by a “spirit”?
Answer
Before asking who the Holy Spirit is, we have to know what Scripture means by the word at all. In the Bible, a spirit is a being’s own inner life — the mind, the will, the very presence that animates a person from within. Paul makes this exact point when he asks how anyone could know another person’s thoughts:
For what man knoweth the things of a man, save the spirit of man which is in him? even so the things of God knoweth no man, but the Spirit of God.
A man’s spirit is what is “in him” — his own interior life and knowledge. It is so bound up with the person that Solomon can speak of it as the thing that sustains or fails the whole man: “The spirit of a man will sustain his infirmity; but a wounded spirit who can bear?” (Proverbs 18:14). A spirit, then, is not a separate being standing beside a person. It is that person’s own life and mind, considered from the inside.
Question 02
Is a person’s spirit that person himself?
Answer
Yes. This is the hinge on which everything turns, and Scripture states it as plainly as could be wished. When Jesus died, He did not surrender some third party that lived alongside Him; He surrendered His own self:
And when Jesus had cried with a loud voice, he said, Father, into thy hands I commend my spirit: and having said thus, he gave up the ghost.
Stephen, dying, prayed the same way: “Lord Jesus, receive my spirit” (Acts 7:59) — committing not a separate person but his own life into the Lord’s keeping. A man’s spirit is the man himself. Keep that simple fact in hand, and the rest of the question answers itself, because the Bible speaks of “the Spirit of Christ” and “the Spirit of the Father” in exactly the same grammar.
Question 03
Is the Spirit of Christ simply Christ Himself?
Answer
It is. If a man’s spirit is the man, then the Spirit of Christ is Christ — His own life and presence, now come to live within His people. Paul moves between the two without a seam:
…Now if any man have not the Spirit of Christ, he is none of his. And if Christ be in you, the body is dead because of sin; but the Spirit is life because of righteousness.
Notice how “the Spirit of Christ” in you and “Christ” in you are the same indwelling. That is why the Father “sent forth the Spirit of his Son into your hearts” (Galatians 4:6); why Paul prays that we be strengthened “by his Spirit in the inner man, that Christ may dwell in your hearts by faith” (Ephesians 3:16–17); and why he names the whole mystery in three words: Christ in you (Colossians 1:27). To receive the Spirit of Christ is to receive Christ Himself.
Question 04
Is the Spirit of the Father the Father Himself?
Answer
By the same rule, yes. The Spirit of God is God’s own life and mind — which is the very thing 1 Corinthians 2:11 said when it set “the spirit of man which is in him” beside “the Spirit of God.” As a man’s spirit is the man, so the Spirit of God is God knowing His own depths. And one verse makes the point unmistakable. When the angel told Mary how the Son of God would be conceived, he named the power that would do it:
…The Holy Ghost shall come upon thee, and the power of the Highest shall overshadow thee: therefore also that holy thing which shall be born of thee shall be called the Son of God.
The Holy Ghost here is “the power of the Highest” — the Father’s own power. And this exposes a quiet incoherence in the idea of a third divine person. If the Holy Ghost were a separate person who overshadowed Mary, then a “third person” would have fathered the Son — yet Scripture everywhere calls the Father the Father of that Son. The only reading that holds together is the plain one: the Holy Ghost that overshadowed Mary was the Father’s own presence and power, and so the One she bore is rightly called the Son of the Father.
Question 05
How should we rightly keep the term “the Holy Spirit”?
Answer
We keep it — gladly, and exactly as Scripture gives it. The error is never the term “the Holy Spirit”; the error is turning that term into the name of a separate, third being. The truth the Bible holds together is this: the Holy Spirit is God’s own presence and power — the very life of the Father and of the Son, reaching into the heart of the believer. It is called holy because it is the presence of the Holy One Himself. So we read it as it stands: the Holy Spirit (God’s own presence and power). What Scripture never once says — and what we will not say either — is “God the Holy Spirit.” That phrase appears nowhere in the Bible, and it quietly converts the living presence of the Father and the Son into a third deity standing apart from them.
Question 06
Is the Holy Spirit a Person?
Answer
Yes — fully and truly personal. This must be said clearly, because the opposite error is just as dangerous as the first: the Holy Spirit is not a mere impersonal force, an influence, or an energy. The Spirit teaches, guides, speaks, sends, and can be grieved — “grieve not the holy Spirit of God” (Ephesians 4:30). These are the acts of a Person. But which Person? Not a separate third one. The Spirit is personal because it is the person of Christ — in whom the Father dwells — come to live in us. When the Spirit teaches and guides and speaks, it is Christ Himself doing these things within His people, just as He did them among them in the flesh. The personhood is entirely real. The mistake was only ever in supposing it belonged to a third being rather than to the indwelling Christ.
Question 07
Who, then, is the Comforter?
Answer
He is Christ Himself, come back to His own. On the night He promised the Comforter, Jesus did not say another would arrive in His place; He said that He would return to them:
I will not leave you comfortless: I will come to you.
The word translated “Comforter” is the same word John uses one other time — and there it is applied, plainly and without figure, to Jesus Himself:
…And if any man sin, we have an advocate with the Father, Jesus Christ the righteous.
Our “advocate” here is the very word rendered “Comforter” in the upper room — and John names Him: Jesus Christ the righteous. So the whole circle closes. A person’s spirit is that person; the Spirit of Christ is Christ; the Spirit of the Father is the Father; and the Comforter Christ promised is none other than Himself, returned by His Spirit to dwell within us — the Holy Spirit (God’s own presence and power), the life of the Father and the Son made near. Not a third being beside them, and not a faceless force, but the living Christ Himself, with us and in us, to the end.
Personal response
Consider what this changes. The Presence that teaches you, convicts you, and comforts you is not a stranger to the cross — it is the very Christ who hung upon it, and the Father whose love sent Him, made near to you. Have you thought of the Holy Spirit as an impersonal power to be used, or as a third figure at a distance? Ask instead that the indwelling Christ — in whom the Father dwells — would be real and near to you today. To have His Spirit is to have Him; and to have Him is to have life.
Foundational text
I will not leave you comfortless: I will come to you.