This speaks of the difficulty of making peace with a brother you have offended by comparing it to the difficulty of winning a war against a strong city. Alternate translation: "If you offend your brother, finding a way to have peace with him again may be harder than waging a battle to win a city" (See: [[rc://en/ta/man/translate/figs-metaphor]])
This speaks of the difficulty of resolving quarreling by comparing it to the difficulty of breaking down the bars of a castle. Alternate translation: "resolving quarreling is as difficult as breaking down the bars of a castle" (See: [[rc://en/ta/man/translate/figs-simile]])