The Spirit as God’s Witness in Obedient Hearts

The Holy Spirit Testifies of Jesus to Our Hearts and to the World

When Peter stood before hostile rulers, he spoke boldly: “We are His witnesses… and so is also the Holy Ghost, whom God hath given to them that obey Him” (Acts 5:32). Did you hear that? The Spirit is not silent in the obedient heart. He’s the living testimony of Heaven within the believer.

Hebrews 10:15–17 tells us that “the Holy Ghost also is a witness to us.” He confirms the covenant sealed in Christ’s blood: “Their sins and iniquities will I remember no more.” The Spirit whispers to the trembling soul, You are forgiven. You are free.

And before the risen Lord ascended, He gave this charge: “Ye shall receive power, after that the Holy Ghost is come upon you… and ye shall be witnesses unto Me” (Acts 1:8). The Spirit empowers ordinary men and women to speak of an extraordinary Savior. Friends, no true witness of Jesus is possible without the Spirit’s fire.


The Spirit of Truth: God’s Living Voice

The Apostle John wrote, “It is the Spirit that beareth witness, because the Spirit is truth” (1 John 5:6–8). His witness agrees with the water and the blood – Calvary’s cleansing and Christ’s resurrection life. Every true movement of the Spirit echoes one message: Jesus is the Son of God.

Paul echoed this inward testimony: “My conscience also bearing me witness in the Holy Ghost” (Romans 9:1). The Spirit doesn’t shout from afar; He speaks within, aligning our motives with the truth. He searches us, convicts us, corrects us, and comforts us – until Christ is formed in us.

And again Paul assures us, “The Spirit itself beareth witness with our spirit, that we are the children of God” (Romans 8:16). What a miracle – that the God of eternity stoops to whisper assurance into the human heart! This is not emotion; it is adoption. It’s the Spirit crying within, Abba, Father.


The Spirit and the Testimony of Prophecy

In Revelation 19:10, the angel declared, “The testimony of Jesus is the spirit of prophecy.” Every word that truly comes from God’s Spirit has one aim – to reveal Jesus as Lord. True prophecy never glorifies man. It glorifies the Lamb.

Jesus told His disciples in Luke 24:48–49 that they were witnesses of His resurrection, and that they’d be “endued with power from on high.” The same Spirit that opened their understanding now opens ours – to proclaim forgiveness in Christ’s name.

And in Matthew 10:20, He promised, “It is not ye that speak, but the Spirit of your Father which speaketh in you.” What courage that brings! When you testify of Jesus, you are not alone – the very Spirit of God speaks through you.


The Spirit’s Everlasting Voice Through Scripture and History

Long before Pentecost, God declared, “My Spirit that is upon thee, and My words which I have put in thy mouth, shall not depart” (Isaiah 59:21). The Spirit and the Word walk hand in hand. When the Word of God speaks, the Spirit of God confirms.

Through Joel 2:28–32 – fulfilled in Acts 2:16–21 – the Lord promised to pour out His Spirit on all flesh. Sons and daughters would prophesy. Old men would dream. Young men would see visions. Every manifestation had one purpose: to point sinners to the Savior. At Pentecost, that prophecy became reality – men and women from every nation heard the wonders of God in their own tongue. The Spirit’s voice broke through language, culture, and fear.

1 Corinthians 2:10–13 reveals that the Spirit searches “the deep things of God” and teaches us to speak “not in the words which man’s wisdom teacheth, but which the Holy Ghost teacheth.” O what a teacher He is! He makes divine mysteries plain and turns human lips into vessels of heavenly truth.

And 2 Corinthians 3:3 declares that we are “the epistle of Christ… written not with ink, but with the Spirit of the living God.” Each believer becomes a living letter of grace – read by the world, testifying of Jesus’ mercy.


The Spirit’s Light Shining Through Weakness

“The God who commanded the light to shine out of darkness,” Paul wrote, “hath shined in our hearts” (2 Corinthians 4:6–7). Through the Spirit, we behold the glory of God in the face of Jesus Christ. And though we are but earthen vessels, that treasure – the testimony of Jesus – burns within us.

Even the prophets, Peter says, spoke “by the Spirit of Christ which was in them” (1 Peter 1:11–12). They testified beforehand of His sufferings and the glory to follow. The Spirit always had one story to tell – the story of the Lamb.


The Spirit Makes the Gospel Personal

Paul writes that salvation comes “by the washing of regeneration, and renewing of the Holy Ghost” (Titus 3:5–6). The Spirit doesn’t just tell us that Jesus saves; He applies that salvation to our hearts. He takes the historical cross and makes it our personal cleansing.

And Galatians 4:6 declares, “Because ye are sons, God hath sent forth the Spirit of His Son into your hearts, crying, Abba, Father.” The Spirit of Christ reproduces the cry of Christ within us. It’s not religion – it’s relationship. It’s not performance – it’s sonship.

Finally, 1 Corinthians 12:3 tells us plainly: “No man can say that Jesus is the Lord, but by the Holy Ghost.” Every true confession of faith, every whispered prayer that exalts Jesus, every heart turned from darkness to light – that’s the Spirit testifying still.


A Closing Call

Friends, the Holy Spirit is not silent. He is testifying even now – to the sinner’s heart, to the weary believer, to the watching world. He says, Behold the Lamb of God. He says, Jesus is Lord. He says, You are forgiven. You are mine.

But will we listen? Will we yield? Will we let the Spirit have His way?

The same Spirit who moved upon the waters in Genesis now moves upon human hearts. He still convicts, still comforts, still glorifies Christ. The Spirit testifies of Jesus to our hearts – and through us, to the world.

Let Him speak. Let Him shine. Let Him use you.

For when the Holy Ghost testifies of Jesus, the world cannot remain the same.




Call to Action: The Question That Demands an Answer

In Acts 2:37 Peter and the Apostles were asked the question – What Shall We do?

And in Acts 2:38 Peter answered, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost. For the promise is unto you, and to your children, and to all that are afar off, even as many as the Lord our God shall call.

Do you understand this? After hearing the gospel and believing, they asked what should would do. The answer hasn’t changed friend, Peter clearly gave the answer. The question for you today is, Have you receieved the Holy Spirit Since you believed?

If you’re ready to take that step, or you want to learn more about what it means to be born again of water and Spirit, visit:
👉 revivalnsw.com.au

Come, and let the Spirit make you new.