9 Bible Verses about The Unpardonable Sin

Because of this I say to you, every sin and blasphemy will be forgiven to men, but the blasphemy of the spirit will not be forgiven men. And whoever speaks a word against the Son of man, it will be forgiven him, but whoever speaks against the Holy Spirit, it will not be forgiven him, neither in the present age, nor in the one that is coming.

But they rebelled, and grieved his holy Spirit. Therefore he was turned to be their enemy, [and] himself fought against them.

But whoever may blaspheme against the Holy Spirit has no forgiveness, into the age, but is deserving of eternal damnation,

But Peter said, Ananias, why did Satan fill thy heart for thee to lie to the Holy Spirit, and to keep back from the price of the land?

Ye stiff-necked and uncircumcised in heart and ears, ye do always resist the Holy Spirit. As your fathers, ye also.

And do not grieve the Holy Spirit of God, in which ye are sealed for a day of redemption.

Do not quench the Spirit.

By how much worse punishment do ye think he will deserve who has trampled the Son of God, and who considered profane the blood of the covenant by which he was sanctified, and who treated the Spirit of grace contemptuously?

If any man may see his brother sinning a sin not toward death, he will ask, and he will give life to him, to those not sinning toward death. There is sin toward death. I do not say that he should make request about that.