I Samuel 3:14 Halakhah

וְלָכֵ֥ן נִשְׁבַּ֖עְתִּי לְבֵ֣ית עֵלִ֑י אִֽם־יִתְכַּפֵּ֞ר עֲוֺ֧ן בֵּית־עֵלִ֛י בְּזֶ֥בַח וּבְמִנְחָ֖ה עַד־עוֹלָֽם׃

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.’

Read halakhic rulings (Jewish law) on I Samuel 3:14: and classical halakhic sources.