Whoever guards his mouth guards his soul. But whoever gives no consideration to his speech shall experience misfortunes
Other versions
King James Version
He that keepeth his mouth keepeth his life: but he that openeth wide his lips shall have destruction.English Standard Version
Whoever guards his mouth preserves his life; he who opens wide his lips comes to ruin.New International Version
He who guards his lips guards his life, but he who speaks rashly will come to ruin.