Jamieson, Fausset & Brown

suffereth long--under provocations of evil from others. The negative side of love. is kind--the positive side. Extending good to others. Compare with love's features here those of the "wisdom from above" (Jam 3:17). envieth--The Greek includes also jealousy. vaunteth not--in words, even of gifts which it really possesses; an indirect rebuke of those at Corinth who used the gift of tongues for mere display. not puffed up--with party zeal, as some at Corinth were (Co1 4:6).