'Mouth of Fools' in the Bible

The tongue of the wise maketh knowledge good, And the mouth of fools uttereth folly.

The heart of the intelligent seeketh knowledge, And the mouth of fools enjoyeth folly.

Weak have been the two legs of the lame, And a parable in the mouth of fools.

A thorn hath gone up into the hand of a drunkard, And a parable in the mouth of fools.