NET
4 he is conceited and understands nothing, but has an unhealthy interest in controversies and verbal disputes. This gives rise to envy, dissension, slanders, evil suspicions,
Darby
4 he is puffed up, knowing nothing, but sick about questions and disputes of words, out of which arise envy, strife, injurious words, evil suspicions,
KJV
4 He is proud, knowing nothing, but doting about questions and strifes of words, whereof cometh envy, strife, railings, evil surmisings,