દિગંબરના ગામમાં ઘોબીનું શું કામ ?

digaṁbaranā gāmamāṁ ghōbīnuṁ śuṁ kāma ?

Literally: What is the use of a washerman in the village of the naked?
What it means: There is no point in offering a service where there is no need for it.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1921) · read from the scan by machine — the Gujarati itself is unchecked · English is machine-made and nobody has checked it yet

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.