Mahabharata 5.10.35

यदि वृत्रं न हन्म्यद्य वञ्चयित्वा महासुरम्महाबलं महाकायं न मे श्रेयो भविष्यति

yadi vṛtraṃ na hanmyadya vañcayitvā mahāsurammahābalaṃ mahākāyaṃ na me śreyo bhaviṣyati

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