Proverbs 16:13

The delight of kings [are] the lips of righteousness, and he who speaks what is upright he will love.

Proverbs 14:35

The favor of a king [is] for the servant who deals wisely, but his wrath will be [on] him who acts shamefully.

Proverbs 22:11

He who loves purity of heart [and has]{gracious speech}, his friend [is the] king.

Psalm 101:5-7

One who slanders his neighbor in secret, him I will destroy. [One] haughty of eyes and {arrogant} of heart, him I will not endure.

Treasury of Scripture Knowledge

Summary

Righteous lips are the delight of kings; and they love him that speaketh right.

Bible References

General references

Proverbs 14:35
The favor of a king [is] for the servant who deals wisely, but his wrath will be [on] him who acts shamefully.
Proverbs 22:11
He who loves purity of heart [and has]{gracious speech}, his friend [is the] king.
Psalm 101:5
One who slanders his neighbor in secret, him I will destroy. [One] haughty of eyes and {arrogant} of heart, him I will not endure.