Mark 3:29

But whoever speaks abusively against the Holy Spirit can never get forgiveness, but is guilty of a sin that has no end."

Matthew 25:46

Then these will go away to everlasting punishment, but the upright to everlasting life."

Mark 12:40

men who eat up widows' houses and to cover it up make long prayers. They will get a much heavier sentence!"

Luke 12:10

And anyone who speaks a word against the Son of Man will be forgiven, but no one who speaks abusively about the Holy Spirit will be forgiven.

Matthew 12:31-32

So I tell you, every sin and all abusive speech will be forgiven men, but abuse against the Spirit cannot be forgiven.

2 Thessalonians 1:9

These will receive the punishment of eternal destruction as exiles from the presence of the Lord and His glorious might,

Jude 1:7

just as Sodom and Gomorrah and the neighboring towns which like them indulged in grossest immorality and unnatural vice, stand as a perpetual warning, in suffering the punishment of eternal fire.

Jude 1:13

wild waves of the sea foaming up their own shame; wandering stars that are forever doomed to utter darkness.

Treasury of Scripture Knowledge

Summary

But he that shall blaspheme against the Holy Ghost hath never forgiveness, but is in danger of eternal damnation:

General references

Bible References

But is

Mark 12:40
men who eat up widows' houses and to cover it up make long prayers. They will get a much heavier sentence!"
Matthew 25:46
Then these will go away to everlasting punishment, but the upright to everlasting life."
2 Thessalonians 1:9
These will receive the punishment of eternal destruction as exiles from the presence of the Lord and His glorious might,
Jude 1:7
just as Sodom and Gomorrah and the neighboring towns which like them indulged in grossest immorality and unnatural vice, stand as a perpetual warning, in suffering the punishment of eternal fire.

General references

Luke 12:10
And anyone who speaks a word against the Son of Man will be forgiven, but no one who speaks abusively about the Holy Spirit will be forgiven.