Mahabharata 12.196.21
यथा चन्द्रार्कसंयुक्तं तमस्तदुपलभ्यतेतद्वच्छरीरसंयुक्तः शरीरीत्युपलभ्यते
yathā candrārkasaṃyuktaṃ tamastadupalabhyatetadvaccharīrasaṃyuktaḥ śarīrītyupalabhyate
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book