Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.
Ephsians 4:29
Thou shalt not go up and down as a talebearer among thy people: neither shalt thou stand against the blood of thy neighbour; I am the LORD.
Leviticus 19:16
He that answereth a matter before he heareth it, it is folly and shame unto him.
Proverbs 18:13
Death and life are in the power of the tongue: and they that love it shall eat the fruit thereof.
Proverbs 18:21