Lest thou learn
'alph (aw-lof')
hence, to learn (and causatively to teach) -- learn, teach, utter.
his ways
'orach (o'-rakh)
a well-trodden road; also a caravan -- manner, path, race, rank, traveller, troop, (by-, high-)way.
and get
laqach (law-kakh')
to take (in the widest variety of applications)
a snare
mowqesh (mo-kashe')
a noose (for catching animals): by implication, a hook (for the nose) -- be ensnared, gin, (is) snare(-d), trap.
to thy soul
nephesh (neh'-fesh)
a breathing creature, i.e. animal of (abstractly) vitality; used very widely in a literal, accommodated or figurative sense (bodily or mental)
