He shall not fail
kahah  (kaw-haw')
to be weak, i.e. (figuratively) to despond (causatively, rebuke), or (of light, the eye) to grow dull -- darken, be dim, fail, faint, restrain, utterly.
nor be discouraged
ratsats  (raw-tsats')
to crack in pieces, literally or figuratively -- break, bruise, crush, discourage, oppress, struggle together.
till he have set
suwm  (soom)
to put (used in a great variety of applications, literal, figurative, inferentially, and elliptically)wholly, work.
mishpat  (mish-pawt')
a verdict (favorable or unfavorable) pronounced judicially, especially a sentence or formal decree (human or (participant's) divine law, individual or collective
in the earth
'erets  (eh'-rets)
the earth (at large, or partitively a land) -- common, country, earth, field, ground, land, natins, way, + wilderness, world.
and the isles
'iy  (ee)
a habitable spot (as desirable); dry land, a coast, an island -- country, isle, island.
shall wait
yachal  (yaw-chal')
to wait; by implication, to be patient, hope -- (cause to, have, make to) hope, be pained, stay, tarry, trust, wait.
for his law
towrah  (to-raw')
a precept or statute, especially the Decalogue or Pentateuch -- law.