8 Bible Verses about The Unpardonable Sin

Therefore, I tell you, every sin and blasphemy shall be forgiven men, but the blasphemy of the Spirit shall not be forgiven men. And if one speaks a word against the Son of man it shall be forgiven him; but if one speaks against the Holy Spirit it shall not be forgiven him either in this life or in that to come.

but whoever blasphemes against the Holy Spirit shall never have forgiveness, but is the subject of an eternal mistake;

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

Stiff necked, and uncircumcised in heart and ears, you always fight against the Holy Spirit; as your fathers did, you also do.

And grieve not the Holy Spirit of God, by which you were sealed to the day of redemption.

Quench not the Spirit,

of how much greater punishment do you suppose he will be thought worthy, who has trodden down the Son of God, and accounted defiled the blood of the covenant with which he was purified, and treated injuriously the Spirit of grace.

If any one sees his brother commit a sin, not to death, he shall ask, and he will give him life, for those who sin not to death. There is a sin to death; I say not that you should pray for it.