¹¹ 
The mouth of the righteous is a fountain of life and his words of wisdom are a source of blessing,
But the mouth of the wicked conceals violence and evil.

¹³ 
On the lips of the discerning, [skillful and godly] wisdom is found,
But discipline and the rod are for the back of the one who is without common sense and understanding.

¹⁴ 
Wise men store up and treasure knowledge [in mind and heart],
But with the mouth of the foolish, ruin is at hand.

²⁰ 
The tongue of the righteous is like precious silver (greatly valued);
The heart of the wicked is worth little.
²¹ 
The lips of the righteous feed and guide many,
But fools [who reject God and His wisdom] die for lack of understanding.

³¹ 
The mouth of the righteous flows with [skillful and godly] wisdom,
But the perverted tongue will be cut out.
³² 
The lips of the righteous know (speak) what is acceptable,
But the mouth of the wicked knows (speaks) what is perverted (twisted).