Behold I go
halak (haw-lak')
to walk (in a great variety of applications, literally and figuratively)
forward
qedem (keh'-dem)
the front, of place (absolutely, the fore part, relatively the East) or time (antiquity); often used adverbially (before, anciently, eastward)
but he is not there and backward
'achowr (aw-khore')
the hinder part; hence (adverb) behind, backward; also (as facing north) the West -- after(-ward), back (part, -side, -ward), hereafter, (be-)hind(-er part), time to come, without.
but I cannot perceive
biyn (bene)
to separate mentally (or distinguish), i.e.(generally) understand
him