નહાનાંથી નેહ, કાલાંથી કરીએ નહીં;

nahānāṁthī nēha, kālāṁthī karīē nahīṁ;

Literally: Do not make friends with the small or the black.
What it means: Avoid forming deep bonds with unreliable or untrustworthy people.

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.