'Profitable' in the Bible

Then I went to Euphrates, and digged, and took the girdle from the place where I had hid it: and, behold, the girdle was marred, it was profitable for nothing.

This evil people, who refuse to hear My words, Who walk in the stubbornness of their heart, And go after other gods to serve them, And to bow themselves to them, Yea it is -- as this girdle, that is not profitable for anything.

O Jehovah, my strength, and my fortress, And my refuge in a day of adversity, Unto Thee nations do come from the ends of earth, And say, Only falsehood did our fathers inherit, Vanity, and none among them is profitable.

Lo, I am against the prophets of false dreams, An affirmation of Jehovah, And they recount them, and cause my people to err, By their falsehoods, and by their instability, And I -- I have not sent them, Nor have I commanded them, And they are not at all profitable to this people, An affirmation of Jehovah.