Treasury of Scripture Knowledge

Summary

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.

Bible References

It was

Luke 14:34
Salt is good; but if the salt become taste less, by what means shall it become salt again?
Romans 3:12
they have all turned out of the way; they have alike become unprofitable; there is none that does good, not even one;
Philemon 1:11
who, for some time, has been unprofitable to you, but now is very profitable to you and to me: