Jamieson, Fausset & Brown

envying--jealousy, rivalry. As this refers to their feelings, "strife" refers to their words, and "divisions" to their actions [BENGEL]. There is a gradation, or ascending climax: envying had produced strife, and strife divisions (factious parties) [GROTIUS]. His language becomes severer now as He proceeds; in Co1 1:11 he had only said "contentions," he now multiplies the words (compare the stronger term, Co1 4:6, than in Co1 3:21). carnal--For "strife" is a "work of the flesh" (Gal 5:20). The "flesh" includes all feelings that aim not at the glory of God, and the good of our neighbor, but at gratifying self. walk as men--as unregenerate men (compare Mat 16:23). "After the flesh, not after the Spirit" of God, as becomes you as regenerate by the Spirit (Rom 8:4; Gal 5:25-26).