Proverbs 11:13 (ESV): Whoever goes about slandering reveals secrets, but he who is trustworthy in spirit keeps a thing covered.
James 1:26 (ESV): If anyone thinks he is religious and does not bridle his tongue but deceives his heart, this person's religion is worthless.
II Thessalonians 3:11-12(ESV): For we hear that some among you walk in idleness, not busy at work, but busybodies. Now such persons we command and encourage in the Lord Jesus Christ to do their work quietly and to earn their own living.
Proverbs 16:28 (ESV): A dishonest man spreads strife, and a whisperer separates close friends.