'Instrument' in the Bible

‘But if he struck his victim down [intentionally] with an iron object so that he died, he is a murderer; the murderer shall certainly be put to death.

‘Have you not heard [asks the God of Israel]?Long ago I did it;From ancient times I planned it.Now I have brought it to pass,That you [king of Assyria] should [be My instrument to] turn fortified cities into ruinous heaps.

With an instrument of ten strings and with the harp,With a solemn sound on the lyre.

I will sing a new song to You, O God;Upon a harp of ten strings I will sing praises to You,

For dill is not threshed with a sharp threshing sledge,Nor is a cartwheel rolled over cumin;But dill is beaten out with a staff, and cumin with a rod.

“Have you not heard [says the God of Israel]That I did it long ago,That I planned it in ancient times?Now I have brought it to pass,That you [king of Assyria] would [be My instrument to] turn fortified cities into ruinous heaps.

“In fact, I have made of you a new, sharp threshing implement with sharp edges;You will thresh the mountains and crush them,And make the hills like chaff.

For the Lord will comfort Zion [in her captivity];He will comfort all her ruins.And He will make her wilderness like Eden,And her desert like the garden of the Lord;Joy and gladness will be found in her,Thanksgiving and the voice of a melody.

“Before I formed you in the womb I knew you [and approved of you as My chosen instrument],And before you were born I consecrated you [to Myself as My own];I have appointed you as a prophet to the nations.”

Now I have given all these lands into the hand of Nebuchadnezzar king of Babylon, My servant and instrument, and I have also given the wild animals of the field to serve him.

Behold, you are to them like a love song by one who has a pleasant voice and plays well on a stringed instrument [merely to entertain them]; for they hear your words but do not practice them.