'Useful' in the Bible
Everyone making an offering of silver or bronze brought it as a contribution to the Lord. Everyone who possessed acacia wood useful for any task in the work brought it.
I am this day eighty years old. Can I [be useful to advise you to] discern between good and bad? Can your servant taste what I eat or drink? Can I still hear the voices of singing men and women? Why then should your servant be an added burden to my lord the king?
So his servants said to him, “Let a young virgin be found for my lord the king and let her attend him and become his nurse; let her lie against your chest, so that my lord the king may feel warm.”
The young woman was absolutely beautiful. She served the king and was very useful to him. The king was not sexually involved with her.
They destroyed their cities, and all of them threw stones onto every piece of farm land, ruining the fields. Then they filled in all the water wells and chopped down all of the useful trees. Stone walls remained surrounding Kir-hareseth only, until the archers surrounded and attacked that city.
To reason with a word not useful? And speeches -- no profit in them?
"Can a human being be useful to God, since he, who is wise, is sufficient to himself?
The righteous will flourish like the date palm [long-lived, upright and useful];They will grow like a cedar in Lebanon [majestic and stable].
I concluded that wisdom is more useful than foolishness, just as light is more useful than darkness.
Can wood be taken from it to make something useful? Or can anyone make a peg from it to hang things on?
In fact, it is put into the fire as fuel. The fire devours both of its ends, and the middle is charred. Can it be useful for anything?
Even when it was whole it could not be made into a useful object. How much less can it ever be made into anything useful when the fire has devoured it and it is charred!