Good News Translation
So be sure that you do not go around complaining--it does no good--and don't engage in bitter talk. The most secret things you say will have their consequences, and lying will destroy your soul.

New Revised Standard Version
Beware then of useless grumbling, and keep your tongue from slander; because no secret word is without result, and a lying mouth destroys the soul.

Contemporary English Version
So stop all useless complaining and fault-finding. Even a faint whisper can cause a problem, and lies are deadly.

New American Bible
Therefore guard against profitless grumbling, and from calumny withhold your tongues; For a stealthy utterance will not go unpunished, and a lying mouth destroys the soul.

Douay-Rheims Bible
Keep yourselves, therefore, from murmuring, which profiteth nothing, and refrain your tongue from detraction, for an obscure speech shall not go for nought: and the mouth that belieth, killeth the soul.

Keep yourselves, therefore, from murmuring, which profiteth nothing, and refrain your tongue from detraction, for an obscure speech shall not go for nought: and the mouth that belieth, killeth the soul.

Wisdom 1:9
For inquisition shall be made into the thoughts of the ungodly, and the hearing of his words shall come to God, to the chastising of his iniquities.

Wisdom 1:10
For the ear of jealousy heareth all things, and the tumult of murmuring shall not be hid.

Wisdom 1:12
Seek not death in the error of your life, neither procure ye destruction by the works of your hands.

Wisdom 1:13
For God made not death, neither hath he pleasure in the destruction of the living.