He will keep
shamar (shaw-mar')
to hedge about (as with thorns), i.e. guard; generally, to protect, attend to, etc.
the feet
regel (reh'-gel)
a foot (as used in walking); by implication, a step; by euphem. the pudenda -- be able to endure, according as, after, coming, follow, (broken-)foot(-ed, -stool), great toe, haunt, journey, leg, piss, possession, time.
of his saints
chaciyd (khaw-seed')
kind, i.e. (religiously) pious (a saint) -- godly (man), good, holy (one), merciful, saint, (un-)godly.
and the wicked
rasha` (raw-shaw')
morally wrong; concretely, an (actively) bad person -- + condemned, guilty, ungodly, wicked (man), that did wrong.
shall be silent
damam (daw-man')
to be dumb; by implication, to be astonished, to stop; also to perish
in darkness
choshek (kho-shek')
the dark; hence (literally) darkness; figuratively, misery, destruction, death, ignorance, sorrow, wickedness -- dark(-ness), night, obscurity.
for by strength
koach (ko'-akh)
from an unused root meaning to be firm; vigor, literally (force, in a good or a bad sense) or figuratively (capacity, means, produce); also (from its hardiness) a large lizard
shall no man
'iysh (eesh)
a man as an individual or a male person; often used as an adjunct to a more definite term (and in such cases frequently not expressed in translation)
prevail
gabar (gaw-bar')
to be strong; by implication, to prevail, act insolently -- exceed, confirm, be great, be mighty, prevail, put to more (strength), strengthen, be stronger, be valiant.