Definition:Fiber of Truth/Linguistic Note

Linguistic Note on Fiber of Truth
The phrase fiber of truth (with the same meaning) is occasionally seen in natural language.

In particular:
 * ... to extract the fiber of truth from this tissue of lies ...

sounds as though it would be used in the context of the courtroom by a lawyer waxing rhetorical.

The British English spelling of fiber is fibre. The pronunciation is the same.