Proverbs 16:13
Righteous lips are the delight of kings. They value one who speaks the truth.
Proverbs 14:35
The king's favor is toward a servant who deals wisely, but his wrath is toward one who causes shame.
Proverbs 22:11
He who loves purity of heart and speaks gracefully is the king's friend.
Psalm 101:5-7
I will silence whoever secretly slanders his neighbor. I won't tolerate one who is haughty and conceited.
Treasury of Scripture Knowledge
Summary
                            Righteous lips are the delight of kings; and they love him that speaketh right.                        
                    General references
Bible References
General references
                                        Proverbs 14:35                                        
                                                                                                                                The king's favor is toward a servant who deals wisely, but his wrath is toward one who causes shame.
                                    
                                        Proverbs 22:11                                        
                                                                                                                                He who loves purity of heart and speaks gracefully is the king's friend.
                                    
                                        Psalm 101:5                                        
                                                            
                        I will silence whoever secretly slanders his neighbor. I won't tolerate one who is haughty and conceited.