Mark 3:29

but whosoever shall blaspheme against the Holy Spirit shall never have forgiveness but is obligated to eternal judgment,

Matthew 25:46

And they shall go away into eternal punishment, but the righteous into eternal life.

Mark 12:40

which devour widows' houses and for a pretence make long prayers: these shall receive greater judgment.

Luke 12:10

And whosoever shall speak a word against the Son of man, there is forgiveness for him; but unto him that blasphemes against the Holy Spirit, it shall not be forgiven.

Matthew 12:31-32

Therefore I say unto you, All manner of sin and blasphemy shall be forgiven unto men, but the blasphemy against the Spirit shall not be forgiven unto men.

2 Thessalonians 1:9

who shall be punished with eternal destruction by the presence of the Lord and by the glory of his power,

Jude 1:7

Even as Sodom and Gomorrha and the cities about them in like manner, giving themselves over to fornication and going after strange flesh, were set forth for an example, having received the judgment of eternal fire.

Jude 1:13

raging waves of the sea, foaming out their own abominations; erratic stars, to whom is reserved gross darkness eternally.

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
which devour widows' houses and for a pretence make long prayers: these shall receive greater judgment.
Matthew 25:46
And they shall go away into eternal punishment, but the righteous into eternal life.
2 Thessalonians 1:9
who shall be punished with eternal destruction by the presence of the Lord and by the glory of his power,
Jude 1:7
Even as Sodom and Gomorrha and the cities about them in like manner, giving themselves over to fornication and going after strange flesh, were set forth for an example, having received the judgment of eternal fire.

General references

Luke 12:10
And whosoever shall speak a word against the Son of man, there is forgiveness for him; but unto him that blasphemes against the Holy Spirit, it shall not be forgiven.