Mahabharata 7.50.31
कृतज्ञं ज्ञानसंपन्नं कृतास्त्रमनिवर्तिनम्युद्धाभिनन्दिनं नित्यं द्विषतामघवर्धनम्
kṛtajñaṃ jñānasaṃpannaṃ kṛtāstramanivartinamyuddhābhinandinaṃ nityaṃ dviṣatāmaghavardhanam
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book