નેકી કરકે નેકકા, બદલેકી નહીં આશ;

nēkī karakē nēkakā, badalēkī nahīṁ āśa;

Literally: Do good deeds without any hope of a reward.
What it means: True virtue lies in performing good deeds selflessly, without expecting anything in return.

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.