“Therefore I tell you, every sin and blasphemy will be forgiven people, but the blasphemy against the Spirit will not be forgiven. And whoever speaks a word against the Son of Man will be forgiven, but whoever speaks against the Holy Spirit will not be forgiven, either in this age or in the age to come.”
Matthew 12:31–32
Through the Bible: Matthew 12; Mark 3; Luke 6
Jesus said some hard things. He said a lot of things that confuse us and are difficult to understand. But few stop us in our tracks like Matthew 12:31-32. Wait— there’s an unforgivable sin? What is it? Have I committed it? What if I commit it in the future? Tell me more about this “one-strike-and-you’re-out” sin! Is there really one sin that can cancel out a lifetime of God’s grace?
The Context
To understand, look at the scene. Jesus had just healed a demon-possessed man—blind and mute. The crowd wondered if He could be the Son of David, the promised Messiah. But the Pharisees, unwilling to admit what they saw, accused Him of working by Satan’s power:
“It is only by Beelzebul, the prince of demons, that this man casts out demons.” (Matthew 12:24)
They saw the power of the Holy Spirit in Jesus and called it the work of evil. That’s what Jesus meant by “blasphemy against the Holy Spirit.”
The Concept
The word blasphemy means to slander or speak evil against something sacred. In this case, the Pharisees weren’t merely rejecting Jesus. They were witnessing the unmistakable work of God’s Spirit and deliberately attributing it to Satan. Mark makes this explicit: “For they were saying, ‘He has an unclean spirit’” (Mark 3:30).
But there’s a broader warning here. The Holy Spirit bears witness to Christ, convicts us of sin, and calls us to repentance. To persistently reject that witness is to reject the very One who leads us to forgiveness.The word blasphemy means to slander or speak evil against something sacred. This wasn’t a careless word or a flash of anger. It was a deliberate, settled rejection of the Spirit’s witness to who Jesus is.
Throughout Scripture, the Spirit’s work is to bear witness to Christ, to convict hearts of sin, and to draw people toward repentance. When that witness is rejected, the very means of forgiveness is refused.
The Condemnation
The sin is ‘unforgivable’ not because God’s grace is insufficient, but because those who persistently reject the Spirit’s testimony reject the very means by which God brings them to repentance and forgiveness.”
C.S. Lewis described it this way:
“There are only two kinds of people in the end: those who say to God, ‘Thy will be done,’ and those to whom God says, in the end, ‘Thy will be done.’”
The unforgivable sin belongs to that second group—those who repeatedly and ultimately say “no” to the Spirit’s “yes.”
The Comfort
If you’ve ever worried that you might have committed the unforgivable sin, take heart—you haven’t. The Pharisees weren’t anxious about grieving the Spirit; they were mocking Him. A heart still tender enough to care about sin is not the heart Jesus warns against.
The very fact that you’re concerned shows that the Spirit is still at work in you, still calling you home.
The Call
Rather than obsess over whether you’ve committed the one sin Jesus says cannot be forgiven, marvel at the countless sins He promises to forgive. And if the Spirit is drawing you to Jesus, don’t resist Him. Come to Him.” Every sin, every failure, every careless word, can be washed away—if you will let the Spirit lead you to Jesus.
He still forgives. He still restores. He still calls.
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