en_tn_condensed/1ki/02/01.md

walk in his ways

"live the way he commands" (See: rc://en/ta/man/translate/figs-idiom)

prosper

"succeed" or "do well"

with all their heart and with all their soul

These phrases mean the same thing and are used for emphasis. (See: rc://en/ta/man/translate/figs-parallelism)

you will never cease to have a man on the throne of Israel

AT: "one of your descendants will always be the king of Israel"; (See: rc://en/ta/man/translate/figs-litotes and rc://en/ta/man/translate/figs-metonymy)