8 Bible Verses about Unforgivable Sin

Because of this I say to you, all sin and evil speaking shall be forgiven to men, but the evil speaking of the Spirit shall not be forgiven to men. And whoever may speak a word against the Son of Man it shall be forgiven to him, but whoever may speak against the Holy Spirit, it shall not be forgiven him, neither in this age, nor in that which is coming.

'Verily I say to you, that all the sins shall be forgiven to the sons of men, and evil speakings with which they might speak evil, but whoever may speak evil in regard to the Holy Spirit hath not forgiveness -- to the age, but is in danger of age-during judgment;'

and every one whoever shall say a word to the Son of Man, it shall be forgiven to him, but to him who to the Holy Spirit did speak evil, it shall not be forgiven.

For we -- wilfully sinning after the receiving the full knowledge of the truth -- no more for sins doth there remain a sacrifice, but a certain fearful looking for of judgment, and fiery zeal, about to devour the opposers; any one who did set at nought a law of Moses, apart from mercies, by two or three witnesses, doth die,read more.
of how much sorer punishment shall he be counted worthy who the Son of God did trample on, and the blood of the covenant did count a common thing, in which he was sanctified, and to the Spirit of the grace did despite?

because they said, 'He hath an unclean spirit.'

but the Pharisees having heard, said, 'This one doth not cast out demons, except by Beelzeboul, ruler of the demons.'

and the scribes who are from Jerusalem having come down, said -- 'He hath Beelzeboul,' and -- 'By the ruler of the demons he doth cast out the demons.'

and certain of them said, 'By Beelzeboul, ruler of the demons, he doth cast forth the demons;'