1 Samuel 3:14

Therefore, I have sworn to Eli’s family: The iniquity of Eli’s family will never be wiped out by either sacrifice or offering.”

Isaiah 22:14

The Lord of Hosts has directly revealed to me:
“This sin of yours will never be wiped out.”
The Lord God of Hosts has spoken.

1 Samuel 2:25

If a man sins against another man, God can intercede for him, but if a man sins against the Lord, who can intercede for him?” But they would not listen to their father, since the Lord intended to kill them.

Leviticus 15:31

“You must keep the Israelites from their uncleanness, so that they do not die by defiling My tabernacle that is among them.

Numbers 15:30-31

“But the person who acts defiantly, whether native or foreign resident, blasphemes the Lord. That person is to be cut off from his people.

Psalm 51:16

You do not want a sacrifice, or I would give it;
You are not pleased with a burnt offering.

Jeremiah 7:16

“As for you, do not pray for these people. Do not offer a cry or a prayer on their behalf, and do not beg Me, for I will not listen to you.

Jeremiah 15:1

Then the Lord said to me: “Even if Moses and Samuel should stand before Me, My compassions would not reach out to these people. Send them from My presence, and let them go.

Ezekiel 24:13

Because of the indecency of your uncleanness—
since I tried to purify you,
but you would not be purified from your uncleanness—
you will not be pure again
until I have satisfied My wrath on you.

Hebrews 10:4-10

For it is impossible for the blood of bulls and goats to take away sins.

Hebrews 10:26-31

For if we deliberately sin after receiving the knowledge of the truth, there no longer remains a sacrifice for sins,

Treasury of Scripture Knowledge

Summary

And therefore I have sworn unto the house of Eli, that the iniquity of Eli's house shall not be purged with sacrifice nor offering for ever.

Bible References

The iniquity

1 Samuel 2:25
If a man sins against another man, God can intercede for him, but if a man sins against the Lord, who can intercede for him?” But they would not listen to their father, since the Lord intended to kill them.
Numbers 15:30
“But the person who acts defiantly, whether native or foreign resident, blasphemes the Lord. That person is to be cut off from his people.
Psalm 51:16
You do not want a sacrifice, or I would give it;
You are not pleased with a burnt offering.
Isaiah 22:14
The Lord of Hosts has directly revealed to me:
“This sin of yours will never be wiped out.”
The Lord God of Hosts has spoken.
Jeremiah 7:16
“As for you, do not pray for these people. Do not offer a cry or a prayer on their behalf, and do not beg Me, for I will not listen to you.
Jeremiah 15:1
Then the Lord said to me: “Even if Moses and Samuel should stand before Me, My compassions would not reach out to these people. Send them from My presence, and let them go.
Ezekiel 24:13
Because of the indecency of your uncleanness—
since I tried to purify you,
but you would not be purified from your uncleanness—
you will not be pure again
until I have satisfied My wrath on you.
Hebrews 10:4
For it is impossible for the blood of bulls and goats to take away sins.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.