Foolishness in the OT

Foolishness--OT
Deut 22:21-- Acting like a harlot in one's father's house
Judges 19:23f--Having sex with a man to disgrace him
I Samuel 25:25-- Reviling his protector
II Sam 13:12-- Having sex with one's sister
Proverbs 5-- Committing adultery
Ecc 2:3-- foolish pleasure--getting drunk?
Ecc 2:12-13-- wanton pleasure?

Foolishness is mentioned as a sin that makes one unclean by Jesus in Mark 7