9 Bible Verses about The Unpardonable Sin

Therefore I say to you, All kinds of sin and blasphemy shall be forgiven to men, but the blasphemy against the Holy Spirit shall not be forgiven to men. And whoever speaks a word against the Son of Man, it shall be forgiven him. But whoever speaks against the Holy Spirit, it shall not be forgiven him, either in this world or in the world to come.

But they rebelled, and troubled His Holy Spirit; therefore He was turned to be their enemy, and He fought against them.

But he who blasphemes against the Holy Spirit never shall have forgiveness, but is liable to eternal condemnation.

But Peter said, Ananias, why has Satan filled your heart for you to lie to the Holy Spirit, and to keep back part of the price of the land?

O stiff-necked and uncircumcised in heart and ears! You always resist the Holy Spirit. As your fathers did, so you do.

And do not grieve the Holy Spirit of God, by whom you are sealed until the day of redemption.

Do not quench the Spirit.

Of how much worse punishment, do you suppose, will he be thought worthy of punishment, the one who has trampled the Son of God, and who has counted the blood of the covenant with which he was sanctified an unholy thing, and has insulted the Spirit of grace?

If anyone sees his brother sin a sin not to death, he shall ask, and He shall give him life for those that do not sin to death. There is a sin to death, I do not say that he shall pray for it.