સારા હોય તો માટી, નીકર કચરાના પાટી.

sārā hōya tō māṭī, nīkara kacarānā pāṭī.

Literally: If good, then clay; otherwise, a board of garbage.
What it means: An item has value only if useful; otherwise, it is mere trash.

Also said as

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.