નહાનાથી નેહ, કાલાંથી કરીએ નહીં;

nahānāthī nēha, kālāṁthī karīē nahīṁ;

Literally: Do not form affection with the small, nor with the deceitful.
What it means: Entrusting one's heart to petty or devious people leads only to betrayal and sorrow.

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.