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Title: Who Is the Holy Ghost?

Text: John 14:26

Introduction

This morning, we continue our theme of being thankful because of God’s presence. Last time, we discussed the dwelling presence of the Holy Spirit and how we should be thankful because He lives within us.

As believers, we now have within us the very power of God. It’s not just positive thinking — it’s the indwelling presence of the triune God working in and through us.

  • The Father sits on high, caring for our needs and ordaining our steps.

  • The Son became flesh, died in our place, and bridged the gap between God and man.

  • The Holy Spirit — or the Holy Ghost — lives within every believer, empowering us to serve and to grow in grace.

But what can we learn about the Holy Ghost? What is His work in our lives?

1. He Dwells in Believers

Scriptures: Ezekiel 36:27; 1 Corinthians 3:16

When we trusted in Christ, the Spirit of Almighty God came to dwell within us.
He doesn’t come to make life worse — He comes to make it better for the glory of God.
He gives us power to live right, courage to witness, and grace to persevere.

2. He Bears Witness of Our Salvation

Scriptures: Romans 8:16; 1 John 4:13

Salvation is a spiritual work, not merely an emotional experience.
The Holy Spirit was there when we were born again — He can testify that we belong to God.
When we doubt, when we fail, when Satan whispers lies — the Spirit confirms in our hearts:

“You are a child of God.”

He is the divine witness who assures the saved and convicts the lost.
Satan lies — the Holy Spirit speaks truth.

3. He Can Be Sinned Against

Scriptures: Isaiah 63:10; Matthew 12:31–32; Mark 3:29

All sin is against God, but Scripture warns that we can sin specifically against the Holy Spirit.
The unpardonable sin is not ignorance — it is the willful and final rejection of the Holy Spirit’s witness about Jesus Christ.

When a person continually resists conviction and hardens their heart to the gospel, they risk crossing a line where the Spirit will no longer strive with them (Genesis 6:3).

A man who is still seeking God has not crossed that line — but one who permanently rejects the Spirit’s testimony about Jesus has committed the sin unto death.

4. We Should Walk in the Spirit

Scriptures: Galatians 5:16; Acts 8:26–29; Acts 16:6

To “walk in the Spirit” means to live under His control and direction.
Even Jesus desired the Spirit’s presence in His ministry — seen clearly at His baptism.

Illustration:
In the World Series, players now wear earpieces to receive real-time directions from their coaches about positioning and plays. The Holy Spirit works in much the same way — guiding us moment by moment, prompting us toward obedience and away from danger.

When Philip obeyed the Spirit’s prompting, he led one soul to Christ in the desert.
When Paul and his team listened, the Spirit redirected their ministry and opened new doors.
When we walk in the Spirit, we experience the same success in spiritual things.

5. He Is the Spirit of Truth

Scriptures: John 16:13; John 14:17

In a world full of confusion, the Holy Spirit anchors us to truth.
He is called:

  • The Spirit of Truth

  • The Comforter

  • The Helper

  • The Spirit of Adoption

He is our friend, our guide, and our seal until the day of redemption.
He points us to Jesus, guards us from sin, and will one day lead us safely home.

Don’t ignore the Holy Spirit.
Be thankful for His presence, His power, and His peace in your life.