સાજણ સુથનાં વાદળાં, માગ્યા ઘરની છાશ;

sājaṇa suthanāṁ vādaḷāṁ, māgyā gharanī chāśa;

Literally: A friend like winter clouds, buttermilk from a begged house;
What it means: One should not rely on untrustworthy friends or borrowed resources that are never available when actually needed.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) · 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.