અવાસ બળી ગયા ને ફાયલા રહી ગયા.

avāsa baḷī gayā nē phāyalā rahī gayā.

Literally: The mansion burned down and only the sparks remained.
What it means: Devastating ruin where valuable wealth is destroyed and only worthless remnants remain.

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.