en_tn_condensed/jas/03/13.md

Who among you is wise and understanding? Let that person

James uses this question to teach his audience about proper behavior. The words "wise" and "understanding" mean basically the same thing. AT: "The person who thinks he is wise should" (See: rc://en/ta/man/translate/figs-rquestion and rc://en/ta/man/translate/figs-doublet)

demonstrate a good life

"show good behavior" or "show it"

by his works in the humility that comes from wisdom

"with his good deeds and humility that comes from having true wisdom"

have bitter jealousy and selfish ambition in your heart

"heart" refers to emotions or thoughts. Alternative translation: "will not share with others and you always put yourself first." (See: rc://en/ta/man/translate/figs-metonymy)

do not boast and lie against the truth

"do not lie about it and act like your are wise."