8 Bible Verses about Unforgivable Sin

Therefore, I tell you, men will be forgiven every sin and slander; but slander against the Holy Spirit will not be forgiven. Whoever speaks against the Son of Man will be forgiven, but whoever speaks against the Holy Spirit will not be forgiven, either in the present age, or in the age to come.

I tell you that men will be forgiven everything--their sins, and all the slanders that they utter; but whoever slanders the Holy Spirit remains unforgiven to the end; he has to answer for an enduring sin."

Every one who shall say anything against the Son of Man will be forgiven, but for him who slanders the Holy Spirit there will be no forgiveness.

Remember, if we sin willfully after we have gained a full knowledge of the Truth, there can be no further sacrifice for sin; there is only a fearful anticipation of judgment, and a burning indignation which will destroy all opponents. When a man disregarded the Law of Moses, he was, on the evidence of two or three witnesses, put to death without pity.read more.
How much worse then, think you, will be the punishment deserved by those who have trampled underfoot the Son of God, who have treated the blood that rendered the Covenant valid--the very blood by which they were purified--as of no account, and who have outraged the Spirit of Love?

This was said in reply to the charge that he had a foul spirit in him.

But the Pharisees heard of it and said: "He drives out demons only by the help of Baal-zebub the chief of the demons."

And the Teachers of the Law, who had come down from Jerusalem, said: "He has Baal-zebub in him, and he drives the demons out by the help of Baal-zebub, their chief."

But some of them said: "He drives out demons by the help of Baal-zebub, the chief of the demons";