With my whole heart
leb (labe)
the heart; also used (figuratively) very widely for the feelings, the will and even the intellect
have I sought
darash (daw-rash')
to tread or frequent; usually to follow (for pursuit or search); by implication, to seek or ask; specifically to worship
thee O let me not wander
shagah (shaw-gaw')
to (cause to) go astray, deceive, err, be ravished, sin through ignorance, (let, make to) wander.
from thy commandments
mitsvah (mits-vaw')
a command, whether human or divine (collectively, the Law) -- (which was) commanded(-ment), law, ordinance, precept.
