'Foolish' in the Bible
Forsake the foolish, and live; and go in the way of understanding.
A foolish woman is clamorous: she is simple, and knoweth nothing.
The proverbs of Solomon. A wise son maketh a glad father: but a foolish son is the heaviness of his mother.
Wise men lay up knowledge: but the mouth of the foolish is near destruction.
Every wise woman buildeth her house: but the foolish plucketh it down with her hands.
In the mouth of the foolish is a rod of pride: but the lips of the wise shall preserve them.
Go from the presence of a foolish man, when thou perceivest not in him the lips of knowledge.
The lips of the wise disperse knowledge: but the heart of the foolish doeth not so.
A wise son maketh a glad father: but a foolish man despiseth his mother.
A foolish son is a grief to his father, and bitterness to her that bare him.
A foolish son is the calamity of his father: and the contentions of a wife are a continual dropping.
There is treasure to be desired and oil in the dwelling of the wise; but a foolish man spendeth it up.
If a wise man contendeth with a foolish man, whether he rage or laugh, there is no rest.