In 4:6-8, Paul explicitly warns against being 'puffed up' — the same attitude condemned here in 4:18.

In 4:8, Paul sarcastically describes them as already rich and reigning — the arrogant attitude behind being puffed up.

In 4:19, Paul says he will come soon — directly countering the assumption in 4:18 that he won't come.

In 5:2, Paul rebukes them for being 'puffed up' about immorality — same Greek word as here, showing persistent pride.

In 8:1, 'knowledge puffs up' uses the same Greek root — directly linking pride to knowledge, as seen here.

In 5:6, Paul says 'your boasting is not good' — boasting is the outward expression of the puffed-up attitude here.

In 2 Corinthians 12:20, Paul fears finding 'swellings' (pride) when he comes — directly parallels the 'puffed up' attitude in Corinth.

Colossians 2:18 warns against those 'vainly puffed up' — same Greek word (physioo) as in 1 Cor 4:18, describing arrogant false teachers.