An horse
cuwc (soos)
from an unused root meaning to skip (properly, for joy); a horse (as leaping); also a swallow (from its rapid flight) -- crane, horse(-back, -hoof).
is a vain thing
sheqer (sheh'-ker)
an untruth; by implication, a sham (often adverbial) -- without a cause, deceit(-ful), false(-hood, -ly), feignedly, liar, + lie, lying, vain (thing), wrongfully.
for safety
tshuw`ah (tesh-oo-aw')
rescue (literal or figurative, pers., national or spir.) -- deliverance, help, safety, salvation, victory.
neither shall he deliver
malat (maw-lat')
to be smooth, i.e. (by implication) to escape (as if by slipperiness); causatively, to release or rescue; specifically, to bring forth young, emit sparks
any by his great
rob (robe)
abundance (in any respect) -- abundance(-antly), all, common (sort), excellent, great(-ly, -ness, number), huge, be increased, long, many, more in number, most, much, multitude, plenty(-ifully), very (age).
strength
chayil (khah'-yil)
probably a force, whether of men, means or other resources; an army, wealth, virtue, valor, strength