Ye are my witnesses
`ed  (ayd)
concretely, a witness; abstractly, testimony; specifically, a recorder, i.e. prince -- witness.
n'um  (neh-oom')
an oracle -- (hath) said, saith.
the LORD
Yhovah  (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.
and my servant
`ebed  (eh'-bed)
a servant -- bondage, bondman, (bond-)servant, (man-)servant.
whom I have chosen
bachar  (baw-khar')
to try, i.e. (by implication) select -- acceptable, appoint, choose (choice), excellent, join, be rather, require.
that ye may know
yada`  (yaw-dah')
to know (properly, to ascertain by seeing); used in a great variety of senses, figuratively, literally, euphemistically and inferentially
and believe
'aman  (aw-man')
to build up or support; to foster as a parent or nurse; figuratively to render (or be) firm or faithful, to trust or believe, to be permanent or quiet; morally to be true or certain
me and understand
biyn  (bene)
to separate mentally (or distinguish), i.e.(generally) understand
that I am he before
paniym  (paw-neem')
the face (as the part that turns); used in a great variety of applications (literally and figuratively); also (with prepositional prefix) as a preposition (before, etc.)
me there was no God
'el  (ale)
strength; as adjective, mighty; especially the Almighty (but used also of any deity)
yatsar  (yaw-tsar')
to mould into a form; especially as a potter; figuratively, to determine (i.e. form a resolution) -- earthen, fashion, form, frame, make(-r), potter, purpose.
neither shall there be after
'achar  (akh-ar')
the hind part; generally used as an adverb or conjunction, after (in various senses)