Mark 3:29

but he that shall blaspheme against the Holy Spirit hath no forgiveness forever, but is exposed to everlasting sin.

Matthew 25:46

And these will go away into everlasting punishment; but the righteous into everlasting life.

Mark 12:40

who devour widows houses, and for a pretence make long prayers. These will receive a far greater condemnation.

Luke 12:10

And every one that shall speak a word against the Son of man, it will be forgiven him; but to him that hath blasphemed against the Holy Spirit, it will not be forgiven.

Matthew 12:31-32

Therefore I say to you, All manner of sin and evilspeaking will be forgiven to men; but blasphemy against the Spirit will not be forgiven.

2 Thessalonians 1:9

who will be punished with everlasting destruction proceeding from the presence of the Lord and from the glory of his power,

Jude 1:7

even as Sodom and Gomorrah, and the cities about them, in like manner with them giving themselves over to fornication, and going away after strange flesh, are set forth for an example, suffering the vengeance of everlasting fire.

Jude 1:13

raging waves of the sea, foaming out their own shame; wandering stars, for whom is reserved the blackness of darkness for ever.

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 for a pretence make long prayers. These will receive a far greater condemnation.
Matthew 25:46
And these will go away into everlasting punishment; but the righteous into everlasting life.
2 Thessalonians 1:9
who will be punished with everlasting destruction proceeding from the presence of the Lord and from the glory of his power,
Jude 1:7
even as Sodom and Gomorrah, and the cities about them, in like manner with them giving themselves over to fornication, and going away after strange flesh, are set forth for an example, suffering the vengeance of everlasting fire.

General references

Luke 12:10
And every one that shall speak a word against the Son of man, it will be forgiven him; but to him that hath blasphemed against the Holy Spirit, it will not be forgiven.