8 Bible Verses about Unforgivable Sin

Wherefore, I tell you, All manner of sin and blasphemy shall be forgiven to men; but the blasphemy against the holy Spirit shall not be forgiven them: and if any one speak against the Son of man, it may be forgiven him: but if any one speak against the holy Spirit, it shall not be forgiven him, neither in this life, nor in that to come.

Verily I tell you, that all sins shall be forgiven to the sons of men, and blasphemies wherewith they may blaspheme: but whosoever blasphemeth against the holy Ghost never hath forgiveness, but is liable to eternal damnation:

And whosoever shall speak a word against the Son of man, it may be forgiven him; but unto him, that blasphemeth the holy Spirit, it shall not be forgiven.

For if we sin wilfully after having received the knowledge of the truth, there remaineth no more sacrifice for sins; but a dreadful expectation of judgement, and a fiery indignation, which shall devour the adversaries. If any one that violateth the law of Moses, dieth without mercy under two or three witnesses,read more.
of how much greater punishment, think ye, shall he be counted worthy, who hath trampled under foot the Son of God, and accounted the blood of the covenant, by which he was sanctified, an unholy thing, and abused the Spirit of grace?

for they said, He hath an impure spirit.

which the pharisees hearing, said, "He only casts out demons by the help of Beelzebub the prince of the devils."

And the scribes that came down from Jerusalem said, He is in league with Beelzebub, and casts out demons by the help of the prince of demons.

But some of them said, He casteth out demons by Beelzebub the prince of demons: