8 Bible Verses about The Unpardonable Sin

Therefore, I say to you, every sin and blasphemy will be forgiven to men, but the blasphemy against the Holy Spirit shall not be forgiven. And whosoever speaks a word against the Son of Man, it shall be forgiven him; but whosoever speaks against the Holy Spirit, it shall not be forgiven, neither in this age nor in that which is to come.

but whosoever blasphemes against the Holy Spirit has no forgiveness forever, but is guilty of an eternal sin;

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

Ye stiffnecked, and uncircumcised in heart and ears! ye do always resist the Holy Spirit; as your fathers did, so do ye.

And grieve not the Holy Spirit of God, in Whom ye were sealed unto the day of redemption.

Quench not the Spirit.

of how much worse punishment, think ye, shall he be accounted worthy, who trampled under foot the Son of God, and accounted the blood of the covenant with which He was sanctified an unholy thing, and treated with contempt the Spirit of grace?

If anyone sees his brother sinning a sin not to death, he shall ask, and God will give him life for those that sin not to death. There is a sin to death: I do not say that he shall make request concerning this.