Mahabharata 7.86.41
आत्मसंरक्षणं संख्ये गमनं चार्जुनं प्रतिविचार्यैतद्द्वयं बुद्ध्या गमनं तत्र रोचये
ātmasaṃrakṣaṇaṃ saṃkhye gamanaṃ cārjunaṃ prativicāryaitaddvayaṃ buddhyā gamanaṃ tatra rocaye
Our plain-language meaning of this verse is waiting for scholar review.