Matthew 12:31

Wherefore I say to you, All manner of sin and blasphemy shall be forgiven to men: but the blasphemy against the Holy Spirit shall not be forgiven to men.

Luke 12:10

And whoever shall speak a word against the Son of man, it shall be forgiven him: but to him that blasphemeth against the Holy Spirit, it shall not be forgiven.

Mark 3:28-30

Verily I say to you, All sins shall be forgiven to the sons of men, and any blasphemies with which they shall blaspheme:

Isaiah 1:18

Come now, and let us reason together, saith the LORD: though your sins are as scarlet, they shall be white as snow, though they are red like crimson, they shall be as wool.

Acts 7:51

Ye stiff-necked, and uncircumcised in heart and ears, ye do always resist the Holy Spirit: as your fathers did, so do ye.

Hebrews 6:4

For it is impossible for those who have been once enlightened, and have tasted the heavenly gift, and have been made partakers of the Holy Spirit.

Hebrews 10:26

For if we sin willfully after we have received the knowledge of the truth, there remaineth no more sacrifice for sins,

Hebrews 10:29

Of how much more severe punishment, suppose ye, shall he be thought worthy, who hath trodden under foot the Son of God, and hath counted the blood of the covenant, by which he was sanctified, an unholy thing, and hath done despite to the Spirit of grace?

1 John 1:9

If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.

1 John 5:16

If any man shall see his brother sin a sin which is not to death, he shall ask, and he will give him life for them that sin not to death. There is a sin to death: I do not say that he shall pray for it.

Isaiah 55:7

Let the wicked forsake his way, and the unrighteous man his thoughts: and let him return to the LORD, and he will have mercy upon him; and to our God, for he will abundantly pardon.

Ezekiel 33:11

Say to them, As I live, saith the Lord GOD, I have no pleasure in the death of the wicked; but that the wicked should turn from his way and live: turn ye, turn ye from your evil ways; for why will ye die, O house of Israel?

Matthew 12:31-32

Wherefore I say to you, All manner of sin and blasphemy shall be forgiven to men: but the blasphemy against the Holy Spirit shall not be forgiven to men.

1 Timothy 1:13-15

Who was before a blasphemer, and a persecutor, and injurious: but I obtained mercy, because I did it ignorantly in unbelief:

1 John 2:1-2

My little children, these things I write to you, that ye sin not. And if any man sinneth, we have an advocate with the Father, Jesus Christ the righteous:

Treasury of Scripture Knowledge

Summary

Wherefore I say unto you, All manner of sin and blasphemy shall be forgiven unto men: but the blasphemy against the Holy Ghost shall not be forgiven unto men.

General references

Bible References

All

Isaiah 1:18
Come now, and let us reason together, saith the LORD: though your sins are as scarlet, they shall be white as snow, though they are red like crimson, they shall be as wool.
Isaiah 55:7
Let the wicked forsake his way, and the unrighteous man his thoughts: and let him return to the LORD, and he will have mercy upon him; and to our God, for he will abundantly pardon.
Ezekiel 33:11
Say to them, As I live, saith the Lord GOD, I have no pleasure in the death of the wicked; but that the wicked should turn from his way and live: turn ye, turn ye from your evil ways; for why will ye die, O house of Israel?
1 Timothy 1:13
Who was before a blasphemer, and a persecutor, and injurious: but I obtained mercy, because I did it ignorantly in unbelief:
Hebrews 6:4
For it is impossible for those who have been once enlightened, and have tasted the heavenly gift, and have been made partakers of the Holy Spirit.
1 John 1:9
If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.
1 John 2:1
My little children, these things I write to you, that ye sin not. And if any man sinneth, we have an advocate with the Father, Jesus Christ the righteous:

But

Mark 3:28
Verily I say to you, All sins shall be forgiven to the sons of men, and any blasphemies with which they shall blaspheme:
Luke 12:10
And whoever shall speak a word against the Son of man, it shall be forgiven him: but to him that blasphemeth against the Holy Spirit, it shall not be forgiven.
Acts 7:51
Ye stiff-necked, and uncircumcised in heart and ears, ye do always resist the Holy Spirit: as your fathers did, so do ye.
1 John 5:16
If any man shall see his brother sin a sin which is not to death, he shall ask, and he will give him life for them that sin not to death. There is a sin to death: I do not say that he shall pray for it.

General references

Mark 3:28
Verily I say to you, All sins shall be forgiven to the sons of men, and any blasphemies with which they shall blaspheme:
Luke 12:10
And whoever shall speak a word against the Son of man, it shall be forgiven him: but to him that blasphemeth against the Holy Spirit, it shall not be forgiven.