mouth
Proverbs 10:11
The mouth of a righteous man is a well of life: but violence covereth the mouth of the wicked.
Proverbs 10:13
In the lips of him that hath understanding wisdom is found: but a rod is for the back of him that is void of understanding.
Proverbs 10:20
The tongue of the just is as choice silver: the heart of the wicked is little worth.
Proverbs 10:21
The lips of the righteous feed many: but fools die for want of wisdom.
Psalm 37:30
The mouth of the righteous speaketh wisdom, and his tongue talketh of judgment.
the froward
Psalm 31:18
Let the lying lips be put to silence; which speak grievous things proudly and contemptuously against the righteous.
Psalm 63:11
But the king shall rejoice in God; every one that sweareth by him shall glory: but the mouth of them that speak lies shall be stopped.
Psalm 120:3
What shall be given unto thee? or what shall be done unto thee, thou false tongue?
Psalm 120:4
Sharp arrows of the mighty, with coals of juniper.