Ecclesiastes 10:3
Yea, even by the way, as the foolish man walketh along, his sense faileth him - and he telleth everyone that, foolish, is he!
Proverbs 13:16
Every prudent man, maketh use of knowledge, but, a dullard, spreadeth folly.
Proverbs 18:2
A dullard, delighteth not, in understanding, in nothing save the exposing of his own heart.
Proverbs 18:6
the lips of a dullard, enter into contention, and his mouth, for blows, crieth out.
Ecclesiastes 5:3
For a dream cometh through the multitude of business, - and, the voice of a dullard, is with a multitude of words.
1 Peter 4:4
Wherein they are taken by surprise that ye run not with them into the same overflow of riotous excess, - uttering defamation: