Luke 14:34-35

Salt is good; but if salt loses its strength, what can it be seasoned with?

Romans 3:12

All have turned away, they are one and all worthless, No one does right, not a single one!

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 salt loses its strength, what can it be seasoned with?
Romans 3:12
All have turned away, they are one and all worthless, No one does right, not a single one!
Philemon 1:11
Once you found him useless, but now he has become useful to you and to me,