1 Corinthians 5:11 contrasts: we associate with worldly sinners but must separate from immoral believers.

1 Corinthians 10:27 allows eating with unbelievers — consistent with Paul's clarification here that he did not mean to avoid immoral people of the world.

1 Corinthians 6:9 lists the same sins and shows such sinners are excluded from God's kingdom, reinforcing the need for church purity.

Matthew 5:14-16 calls believers to shine as light in the world, supporting Paul's point that we must remain among unbelievers.

In John 15:19, Jesus says believers are chosen out of the world — explaining why they are in but not of it, relevant to Paul’s clarification.

In John 17:15, Jesus prays not to remove believers from the world — directly aligning with Paul’s point about not leaving the world.

In John 17:16, Jesus affirms believers are not of the world — clarifying their identity while still present in it, as Paul implies.

Philippians 2:15 echoes the same theme: believers live as lights among a crooked generation, reinforcing Paul's instruction.

Colossians 3:5 commands putting to death sexual immorality and greed as idolatry, echoing the same sins Paul excludes from God's people here.

In John 17:9, Jesus prays only for his disciples, not the world — contrasting with Paul’s allowance for association with worldly people.

Ephesians 5:3 calls believers to avoid any hint of sexual immorality or greed, reinforcing Paul's distinction that such sins are not for God's people.

1 John 5:19 explains the world is under the evil one, justifying Paul's distinction between worldly sinners and those inside the church.