The statutes
piqquwd (pik-kood')
appointed, i.e. a mandate (of God; plural only, collectively, for the Law) -- commandment, precept, statute.
of the LORD
Yhovah (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.
are right
yashar (yaw-shawr')
straight -- convenient, equity, Jasher, just, meet(-est), + pleased well right(-eous), straight, (most) upright(-ly, -ness).
rejoicing
samach (saw-makh')
probably to brighten up, i.e. (figuratively) be (causatively, make) blithe or gleesome
the heart
leb (labe)
the heart; also used (figuratively) very widely for the feelings, the will and even the intellect
the commandment
mitsvah (mits-vaw')
a command, whether human or divine (collectively, the Law) -- (which was) commanded(-ment), law, ordinance, precept.
of the LORD
Yhovah (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.
is pure
bar (bar)
beloved; also pure, empty -- choice, clean, clear, pure.
enlightening
'owr (ore)
to be (causative, make) luminous (literally and metaphorically) -- break of day, glorious, kindle, (be, en-, give, show) light (-en, -ened), set on fire, shine.
the eyes
`ayin (ah'-yin)
an eye; by analogy, a fountain (as the eye of the landscape)