Mahabharata 13.117.20

न हि तत्परमं किंचिदिह लोके परत्र चयत्सर्वेष्विह लोकेषु दया कौरवनन्दन

na hi tatparamaṃ kiṃcidiha loke paratra cayatsarveṣviha lokeṣu dayā kauravanandana

Our plain-language meaning of this verse is waiting for scholar review.