Jamieson, Fausset and Brown on 1 Corinthians 13:4

4. 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" (Jas 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 (1Co 4:6).