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. Shall not be purged with sacrifice nor offering - That is, God was determined that they should be removed by a violent death. They had committed the sin unto death; and no offering or sacrifice could prevent this. What is spoken here relates to their temporal death only.
Related Commentaries of 1 Samuel 3:14
1 Samuel 3:14
14 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.