Isaiah 28:27 in the King James Version
For the fitches are not threshed with a threshing instrument, neither is a cart wheel turned about upon the cummin; but the fitches are beaten out with a staff, and the cummin with a rod.
Context
26 For his God instructs him in right judgment and teaches him.
27 For the dill isn’t threshed with a sharp instrument, neither is a cart wheel turned over the cumin; but the dill is beaten out with a stick, and the cumin with a rod.
28 Bread flour must be ground; so he will not always be threshing it. Although he drives the wheel of his threshing cart over it, his horses don’t grind it.