In 1 Corinthians 14:3, prophecy builds up the whole church — this verse contrasts that by saying tongues only edify the speaker.

In 1 Corinthians 14:19, Paul prefers five understandable words over ten thousand in a tongue — this verse shows why: tongues don't edify others.

In 1 Cor 14:12, Paul exhorts seeking gifts that edify the church—directly applying v4's contrast between self-edification and church edification.

In 1 Cor 14:17, giving thanks in a tongue does not edify others—illustrating v4's point that tongues edify only the speaker.

In 1 Cor 14:26, Paul sums up: 'Let all things be done for edification'—the principle behind v4's contrast.

In 1 Corinthians 14:14, praying in a tongue leaves the mind unfruitful — this verse contrasts that with the self-edification of tongues.

In 1 Corinthians 14:18, Paul says he speaks in tongues more than all — this verse explains that such speaking still edifies only himself.

In Eph 4:12, gifts equip the saints to edify the body—echoing v4's focus on building up the church, not just self.