8 Bible Verses about The Unpardonable Sin

This is why I tell you that men may find forgiveness for every other sin and impious word, but that for impious speaking against the Holy Spirit they shall find no forgiveness. And whoever shall speak against the Son of Man may obtain forgiveness; but whoever speaks against the Holy Spirit, neither in this nor in the coming age shall he obtain forgiveness."

but whoever blasphemes against the Holy Spirit, he remains for ever unabsolved: he is guilty of a sin of the Ages."

"Ananias," said Peter, "why has Satan taken possession of your heart, that you should try to deceive the Holy Spirit and dishonestly keep back part of the price paid you for this land?

"O stiff-necked men, uncircumcised in heart and ears, you also are continually at strife with the Holy Spirit--just as your forefathers were.

And beware of grieving the Holy Spirit of God, in whom you have been sealed in preparation for the day of Redemption.

Do not quench the Spirit.

How much severer punishment, think you, will he be held to deserve who has trampled under foot the Son of God, has not regarded as holy that Covenant-blood with which he was set free from sin, and has insulted the Spirit from whom comes grace?

If any one sees a brother man committing a sin which is not unto death, he shall ask and God shall give him life--for those who do not sin unto death. There is such a thing as sin unto death; for that I do not bid him make request.