8 Bible Verses about Unforgivable Sin

For this reason I say unto you, Every sin and injurious speaking shall be forgiven to men, but speaking injuriously of the Spirit shall not be forgiven to men. And whosoever shall have spoken a word against the Son of man, it shall be forgiven him; but whosoever shall speak against the Holy Spirit, it shall not be forgiven him, neither in this age nor in the coming one.

Verily I say unto you, that all sins shall be forgiven to the sons of men, and all the injurious speeches with which they may speak injuriously; but whosoever shall speak injuriously against the Holy Spirit, to eternity has no forgiveness; but lies under the guilt of an everlasting sin;

and whoever shall say a word against the Son of man it shall be forgiven him; but to him that speaks injuriously against the Holy Spirit it shall not be forgiven.

For where we sin wilfully after receiving the knowledge of the truth, there no longer remains any sacrifice for sins, but a certain fearful expectation of judgment, and heat of fire about to devour the adversaries. Any one that has disregarded Moses' law dies without mercy on the testimony of two or three witnesses:read more.
of how much worse punishment, think ye, shall he be judged worthy who has trodden under foot the Son of God, and esteemed the blood of the covenant, whereby he has been sanctified, common, and has insulted the Spirit of grace?

because they said, he has an unclean spirit.

But the Pharisees, having heard it, said, This man does not cast out demons, but by Beelzebub, prince of demons.

And the scribes who had come down from Jerusalem said, He has Beelzebub, and, By the prince of the demons he casts out demons.

But some from among them said, By Beelzebub the prince of the demons casts he out demons.