Mark 3:29

but whosoever shall blaspheme against the Holy Ghost, hath no forgiveness to eternity, but is adjudged to everlasting damnation.

Matthew 25:46

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

Mark 12:40

who devour widows' houses, and in pretence make long prayers: such shall receive greater damnation.

Luke 12:10

And every one who shall utter a word against the Son of man, it shall be forgiven him; but for him who hath blasphemed against the Holy Ghost, there shall be no forgiveness.

Matthew 12:31-32

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

2 Thessalonians 1:9

who shall receive punishment, even eternal perdition, from the presence of the Lord, and from the glory of his power:

Jude 1:7

As Sodom and Gomorrha and the surrounding cities, in like manner with them abandoned to whoredom, and going after other flesh, are set forth an example, suffering the judicial punishment of eternal fire.

Jude 1:13

raging billows of the sea foaming out their own infamies; stars wandering from their courses, for whom the blackness of darkness for ever is reserved.

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
who devour widows' houses, and in pretence make long prayers: such shall receive greater damnation.
Matthew 25:46
And these shall go away into everlasting punishment: but the righteous into life eternal.
2 Thessalonians 1:9
who shall receive punishment, even eternal perdition, from the presence of the Lord, and from the glory of his power:
Jude 1:7
As Sodom and Gomorrha and the surrounding cities, in like manner with them abandoned to whoredom, and going after other flesh, are set forth an example, suffering the judicial punishment of eternal fire.

General references

Luke 12:10
And every one who shall utter a word against the Son of man, it shall be forgiven him; but for him who hath blasphemed against the Holy Ghost, there shall be no forgiveness.