Cease
chadal (khaw-dal')
to be flabby, i.e. (by implication) desist; (figuratively) be lacking or idle -- cease, end, fall, forbear, forsake, leave (off), let alone, rest, be unoccupied, want.
my son
ben (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.
to hear
shama` (shaw-mah')
to hear intelligently (often with implication of attention, obedience, etc.; causatively, to tell, etc.)
the instruction
muwcar (moo-sawr')
chastisement; figuratively, reproof, warning or instruction; also restraint -- bond, chastening (-eth), chastisement, check, correction, discipline, doctrine, instruction, rebuke.
that causeth to err
shagah (shaw-gaw')
to (cause to) go astray, deceive, err, be ravished, sin through ignorance, (let, make to) wander.
from the words
'emer (ay'-mer)
something said -- answer, appointed unto him, saying, speech, word.
of knowledge
da`ath (dah'-ath)
knowledge -- cunning, (ig-)norantly, know(-ledge), (un-)awares (wittingly).