બળદના ગુણ તો ગયે, કે જોડે કજોડાં જુતે;

baḷadanā guṇa tō gayē, kē jōḍē kajōḍāṁ jutē;

Literally: An ox's merits are lost when hitched in an mismatched pair.
What it means: Good qualities are wasted when paired with an unsuitable partner.

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.