Mahabharata 14.12.1

वासुदेव उवाच · vāsudeva uvāca

द्विविधो जायते व्याधिः शारीरो मानसस्तथापरस्परं तयोर्जन्म निर्द्वंद्वं नोपलभ्यते

dvividho jāyate vyādhiḥ śārīro mānasastathāparasparaṃ tayorjanma nirdvaṃdvaṃ nopalabhyate

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