Mahabharata 8.11.13

कृतप्रतिकृते यत्नं कुर्वाणौ च महारणेकृतप्रतिकृते यत्नं चक्राते तावभीतवत्

kṛtapratikṛte yatnaṃ kurvāṇau ca mahāraṇekṛtapratikṛte yatnaṃ cakrāte tāvabhītavat

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