en_tn/pro/12/18.md

The words of one who speaks rashly are like the thrusts of a sword

The phrase, "thrusts of a sword" represents cruel words that hurt another. Alternate translation: "What a person says without thinking can hurt as much as if he stabbed with a sword" (See: rc://en/ta/man/translate/figs-simile)

the tongue of the wise

"Tongue" represents what a person says. Alternate translation: "what wise people say" (See: rc://en/ta/man/translate/figs-metonymy)

brings healing

"comforts and heals"