1 Samuel 3:14

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

Isaiah 22:14

And Jehovah of hosts revealed himself in mine ears, Surely this iniquity shall not be forgiven you till ye die, saith the Lord, Jehovah of hosts.

1 Samuel 2:25

If one man sin against another, God shall judge him; but if a man sin against Jehovah, who shall entreat for him? Notwithstanding, they hearkened not unto the voice of their father, because Jehovah was minded to slay them.

Leviticus 15:31

Thus shall ye separate the children of Israel from their uncleanness, that they die not in their uncleanness, when they defile my tabernacle that is in the midst of them.

Numbers 15:30-31

But the soul that doeth aught with a high hand, whether he be home-born or a sojourner, the same blasphemeth Jehovah; and that soul shall be cut off from among his people.

Psalm 51:16

For thou delightest not in sacrifice; else would I give it: Thou hast no pleasure in burnt-offering.

Jeremiah 7:16

Therefore pray not thou for this people, neither lift up cry nor prayer for them, neither make intercession to me; for I will not hear thee.

Jeremiah 15:1

Then said Jehovah unto me, Though Moses and Samuel stood before me, yet my mind would not be toward this people: cast them out of my sight, and let them go forth.

Ezekiel 24:13

In thy filthiness is lewdness: because I have cleansed thee and thou wast not cleansed, thou shalt not be cleansed from thy filthiness any more, till I have caused my wrath toward thee to rest.

Hebrews 10:4-10

For it is impossible that the blood of bulls and goats should take away sins.

Hebrews 10:26-31

For if we sin wilfully after that we have received the knowledge of the truth, there remaineth no more 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 one man sin against another, God shall judge him; but if a man sin against Jehovah, who shall entreat for him? Notwithstanding, they hearkened not unto the voice of their father, because Jehovah was minded to slay them.
Numbers 15:30
But the soul that doeth aught with a high hand, whether he be home-born or a sojourner, the same blasphemeth Jehovah; and that soul shall be cut off from among his people.
Psalm 51:16
For thou delightest not in sacrifice; else would I give it: Thou hast no pleasure in burnt-offering.
Isaiah 22:14
And Jehovah of hosts revealed himself in mine ears, Surely this iniquity shall not be forgiven you till ye die, saith the Lord, Jehovah of hosts.
Jeremiah 7:16
Therefore pray not thou for this people, neither lift up cry nor prayer for them, neither make intercession to me; for I will not hear thee.
Jeremiah 15:1
Then said Jehovah unto me, Though Moses and Samuel stood before me, yet my mind would not be toward this people: cast them out of my sight, and let them go forth.
Ezekiel 24:13
In thy filthiness is lewdness: because I have cleansed thee and thou wast not cleansed, thou shalt not be cleansed from thy filthiness any more, till I have caused my wrath toward thee to rest.
Hebrews 10:4
For it is impossible that the blood of bulls and goats should take away sins.

American Standard Version Public Domain