In 2 Cor 10:4, Paul explains that our weapons are not fleshly — directly expanding on the warfare metaphor introduced in verse 3.

In 2 Corinthians 1:17, Paul denies making plans 'according to the flesh', reinforcing that his conduct matches his claim in 10:3.

In Rom 8:13, living according to the flesh leads to death — contrasting with the Spirit-led warfare Paul describes in 10:3.

In Gal 2:20, Paul explains living in the flesh yet by faith — mirroring the same dual reality of walking in flesh but not waging war by flesh.

1 Timothy 1:18 calls Timothy to 'wage the good warfare', directly echoing Paul's metaphor of spiritual battle in 2 Cor 10:3.

2 Timothy 2:3 urges sharing in suffering as a good soldier, extending the military imagery to endurance in ministry.

2 Timothy 2:4 says a soldier avoids civilian entanglements, paralleling Paul's point about not using fleshly methods in spiritual war.

2 Timothy 4:7 declares 'I have fought the good fight', summing up the same lifelong spiritual warfare Paul describes.

In Romans 8:5, Paul contrasts setting mind on flesh vs. Spirit, grounding why believers wage war not by flesh but by God's power.

1 Timothy 6:12 commands 'fight the good fight of faith', specifying the spiritual battle Paul alludes to in 10:3.

In Revelation 12:11, the specific means of victory—Christ's blood and testimony—reveals how believers overcome without fleshly weapons.

In 1 Corinthians 1:17, Paul refuses eloquent wisdom, echoing his rejection of fleshly methods in ministry.

Colossians 2:20 says believers died to worldly principles, supporting Paul's point that we don't wage war by fleshly means.

In 1 Peter 4:2, living in the flesh for God's will (not human passions) parallels not waging war according to the flesh — both reject fleshly methods.

2 Peter 2:10 describes those who indulge fleshly lusts—contrasting with believers who don't wage war by the flesh.