1 Corinthians 5:2 rebukes the church's arrogance over sexual sin, explaining why Paul had to give the instruction in this verse not to associate with immoral people.

1 Corinthians 10:27 permits eating with unbelievers — in direct contrast to the prohibition here against associating with immoral believers, showing Paul distinguishes between insiders and outsiders.

Psalm 1:1 gives the OT wisdom principle of avoiding the company of sinners, reinforcing Paul's command to separate from the immoral.

2 Corinthians 6:14 commands not to be unequally yoked with unbelievers, extending the same separation principle Paul applies here to believers.

2 Corinthians 6:17 quotes the OT call to separate from the unclean, reinforcing the need for distinctiveness from sinful associations.

Ephesians 5:11 warns against participating in darkness, echoing the same call to avoid association with sinful deeds seen here.

2 Thessalonians 3:14 instructs to have nothing to do with a disobedient brother—directly parallels the church discipline context here.

Psalm 26:5 declares hatred of evildoers' assembly and refusal to sit with the wicked—a direct OT parallel to avoiding immoral company.

Matthew 18:17 outlines treating the unrepentant as a pagan — parallel to Paul's instruction to dissociate from immoral brothers in church discipline.

Romans 16:17 commands to avoid divisive people — a parallel directive to dissociate from those who cause trouble in the church, echoing Paul's same principle.

2 Corinthians 12:21 reveals Paul's fear of unrepentant sexual immorality in Corinth — the same issue that prompted his earlier instruction to dissociate, showing ongoing concern.

In Matthew 9:11, Jesus eats with sinners — a practice that contrasts with Paul's warning about associating with immoral believers, but highlights different contexts (evangelism vs. church discipline).