Hebrews 12:29

for, verily, our God is a consuming fire.

1 John 1:9

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

Romans 3:19-26

Now we know that whatsoever the law says, it speaks to those under the law; that every mouth may be stopped, and that the whole world may be under the sentence of God;

Romans 4:7-8

"Happy are those whose iniquities were forgiven, and whose sins were covered.

Romans 9:22-23

And what if God, willing to show forth His wrath and to make known His power, endured with much long-suffering vessels of wrath fitted for destruction;

Ephesians 1:7

in Whom we have our redemption through His blood, the forgiveness of our trespasses, according to the riches of His grace,

Ephesians 4:32

and become kind to one another, tender-hearted, forgiving one another, even as God also in Christ forgave you.

Revelation 20:15

And, if anyone was not found written in the book of life, he was cast into the lake of fire.

Revelation 21:8

But, for the fearful, and unbelieving, and abominable, and murderers, and fornicators, and sorcerers, and idolaters, and all the liars, their part shall be in the lake that burns with fire and brimstone; which is the second death."

Matthew 6:14-15

"For, if ye forgive men their trespasses, your Heavenly Father will also forgive you;

Matthew 12:31

Therefore, I say to you, every sin and blasphemy will be forgiven to men, but the blasphemy against the Holy Spirit shall not be forgiven.

Matthew 18:32-35

"Then, calling him to him, his lord says to him, 'Evil servant! I forgave you all that debt, because you besought me.

Luke 7:42

And, they having nothing to pay, he forgave them both. Which of them, therefore, will love him the more?"

Luke 7:48

And He said to her, "Your sins have been forgiven."

Acts 5:31

This One God exalted as a Prince and Savior, with His right hand, to give repentance to Israel, and remission of sins.

Acts 13:38

Be it known to you, brethren, that through This One is proclaimed to you forgiveness of sins;

Romans 2:4-9

Or, do you despise the riches of His kindness and forbearance and longsuffering, not knowing that the goodness of God is leading you to repentance?

Treasury of Scripture Knowledge

Summary

Keeping mercy for thousands, forgiving iniquity and transgression and sin, and that will by no means clear the guilty; visiting the iniquity of the fathers upon the children, and upon the children's children, unto the third and to the fourth generation.

General references

Bible References

Forgiving

Matthew 6:14
"For, if ye forgive men their trespasses, your Heavenly Father will also forgive you;
Matthew 12:31
Therefore, I say to you, every sin and blasphemy will be forgiven to men, but the blasphemy against the Holy Spirit shall not be forgiven.
Matthew 18:32
"Then, calling him to him, his lord says to him, 'Evil servant! I forgave you all that debt, because you besought me.
Luke 7:42
And, they having nothing to pay, he forgave them both. Which of them, therefore, will love him the more?"
Acts 5:31
This One God exalted as a Prince and Savior, with His right hand, to give repentance to Israel, and remission of sins.
Acts 13:38
Be it known to you, brethren, that through This One is proclaimed to you forgiveness of sins;
Romans 4:7
"Happy are those whose iniquities were forgiven, and whose sins were covered.
Ephesians 1:7
in Whom we have our redemption through His blood, the forgiveness of our trespasses, according to the riches of His grace,
Ephesians 4:32
and become kind to one another, tender-hearted, forgiving one another, even as God also in Christ forgave you.
1 John 1:9
If we confess our sins, He is faithful and righteous to forgive us our sins, and to cleanse us from all unrighteousness.

That will by no means clear the guilty

Romans 2:4
Or, do you despise the riches of His kindness and forbearance and longsuffering, not knowing that the goodness of God is leading you to repentance?
Romans 3:19
Now we know that whatsoever the law says, it speaks to those under the law; that every mouth may be stopped, and that the whole world may be under the sentence of God;
Romans 9:22
And what if God, willing to show forth His wrath and to make known His power, endured with much long-suffering vessels of wrath fitted for destruction;
Hebrews 12:29
for, verily, our God is a consuming fire.
Revelation 20:15
And, if anyone was not found written in the book of life, he was cast into the lake of fire.
Revelation 21:8
But, for the fearful, and unbelieving, and abominable, and murderers, and fornicators, and sorcerers, and idolaters, and all the liars, their part shall be in the lake that burns with fire and brimstone; which is the second death."

General references

Luke 1:50
And His mercy is unto generations and generations to those who fear Him.