જાકે મનમેં દોષ નહીં, મુખ ન દોષી બાત; પરમ અહિંસા ધર્મ યહ, જીવ ન કરીએ ઘાત.

jākē manamēṁ dōṣa nahīṁ, mukha na dōṣī bāta; parama ahiṁsā dharma yaha, jīva na karīē ghāta.

Literally: He in whose mind there is no malice, and on whose mouth there is no malicious speech; this is the supreme religion of non-violence, do not harm any living being.
What it means: True non-violence consists of keeping one's mind and speech free from malice, alongside refraining from physical harm to any living creature.

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.