They know
yada` (yaw-dah')
to know (properly, to ascertain by seeing); used in a great variety of senses, figuratively, literally, euphemistically and inferentially
not neither will they understand
biyn (bene)
to separate mentally (or distinguish), i.e.(generally) understand
they walk
halak (haw-lak')
to walk (in a great variety of applications, literally and figuratively)
on in darkness
chashekah (khash-ay-kaw')
darkness; figuratively, misery -- darkness.
all the foundations
mowcad (mo-sawd')
a foundation -- foundation.
of the earth
'erets (eh'-rets)
the earth (at large, or partitively a land) -- common, country, earth, field, ground, land, natins, way, + wilderness, world.
are out of course
mowt (mote)
to waver; by implication, to slip, shake, fall -- be carried, cast, be out of course, be fallen in decay, exceedingly, fall(-ing down), be (re-)moved, be ready, shake, slide, slip.