1 Samuel 3:14 shows the fulfillment: Eli's house sin against the Lord becomes unforgivable, with no sacrifice able to atone.

1 Samuel 19:4 shows Jonathan interceding for David — contrasts with 1 Sam 2:25 where no intercessor exists for sin against God.

Numbers 15:30 defines the 'high-handed' sin against the Lord that has no atonement — the same category as Eli's sons' irremediable offense here.

Proverbs 15:10 warns that hating reproof leads to death — exactly what happened to Eli's sons who rejected their father's rebuke.

John 12:40 quotes Isaiah on God blinding and hardening to prevent repentance — directly parallels God's will to put Eli's sons to death.

1 Timothy 2:5 answers the rhetorical question: there is one mediator, Christ Jesus, who alone can intercede for sins against God.

Hebrews 7:25 reveals Christ lives to intercede forever — the ultimate answer to the impossibility of human intercession for sin against God.

Hebrews 10:26 warns that deliberate sin after knowing the truth leaves no sacrifice — the same irremediable condition as sinning against the Lord here.

2 Chronicles 10:15 says God caused the king not to listen to fulfill prophecy — parallels the LORD's will causing Eli's sons not to listen.

Job 9:33 laments no arbiter between man and God — directly echoes the question 'who can intercede?' for sin against God.

Proverbs 13:1 contrasts a wise son who heeds instruction with a scoffer who does not—exactly the situation of Eli’s sons ignoring their father’s rebuke.

Proverbs 29:1 describes the fate of one who stiffens his neck after repeated reproof—exactly what happened to Eli’s sons: sudden destruction.

Psalm 51:4 acknowledges that all sin is ultimately against God — echoing the gravity, though David finds hope in mercy.

1 Corinthians 8:12 shows that sinning against a brother is sinning against Christ—echoing the idea that offenses against people can offend God, now with Christ as mediator.