Mark 3:29

but whosoever may blaspheme against the Holy Ghost hath never forgiveness, but is subject of eternal condemnation.

Matthew 25:46

And these shall go away into eternal punishment: and the righteous into eternal life.

Mark 12:40

They are those devouring the houses of widows, and making long prayers through pretext; they shall receive the greater judgment.

Luke 12:10

And every one who shall speak a word against the Son of man, it shall be forgiven him: but to him having blasphemed against the Holy Ghost, it shall not be forgiven.

Matthew 12:31-32

Therefore I say unto you, every sin and blasphemy shall be forgiven unto men; but the blasphemy of the Spirit shall not be forgiven unto men.

2 Thessalonians 1:9

who shall suffer vengeance, eternal destruction from the face of the Lord and from the glory of his might,

Jude 1:7

as Sodom and Gomorrah and the cities about them, in a manner like unto them committing fornication, and going after other flesh, present an example receiving the vengeance of eternal fire.

Jude 1:13

wild waves of the sea, foaming out their own disgraces; wandering stars, for which the blackness of darkness has been reserved forever.

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
They are those devouring the houses of widows, and making long prayers through pretext; they shall receive the greater judgment.
Matthew 25:46
And these shall go away into eternal punishment: and the righteous into eternal life.
2 Thessalonians 1:9
who shall suffer vengeance, eternal destruction from the face of the Lord and from the glory of his might,
Jude 1:7
as Sodom and Gomorrah and the cities about them, in a manner like unto them committing fornication, and going after other flesh, present an example receiving the vengeance of eternal fire.

General references

Luke 12:10
And every one who shall speak a word against the Son of man, it shall be forgiven him: but to him having blasphemed against the Holy Ghost, it shall not be forgiven.