Valmiki Ramayana 4.27.45
उपकारेण विरः तु प्रतिकारेण युज्यते ।अकृतज्ञो अप्रतिकृतो हन्ति सत्ववताम् मनः॥
upakāreṇa viraḥ tu pratikāreṇa yujyate |akṛtajño apratikṛto hanti satvavatām manaḥ ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book