A fool
'eviyl (ev-eel')
(figuratively) silly -- fool(-ish) (man).
despiseth
na'ats (naw-ats')
to scorn; or (Ecclesiastes 12:5), to bloom -- abhor, (give occasion to) blaspheme, contemn, despise, flourish, great, provoke.
his father's
'ab (awb)
father, in a literal and immediate, or figurative and remote application) -- chief, (fore-)father(-less), patrimony, principal. Compare names in Abi-.
instruction
muwcar (moo-sawr')
chastisement; figuratively, reproof, warning or instruction; also restraint -- bond, chastening (-eth), chastisement, check, correction, discipline, doctrine, instruction, rebuke.
but he that regardeth
shamar (shaw-mar')
to hedge about (as with thorns), i.e. guard; generally, to protect, attend to, etc.
reproof
towkechah (to-kay-khaw')
chastisement; figuratively (by words) correction, refutation, proof (even in defence) -- argument, chastened, correction, reasoning, rebuke, reproof, be (often) reproved.
is prudent
`aram (aw-ram')
very, beware, take crafty (counsel), be prudent, deal subtilly.