te hlādaparitāpaphalāḥ puṇyāpuṇyahetutvāt [YS 2.14]
te janmāyurbhogāḥ puṇyahetukāḥ sukhaphalā apuṇyahetukā duḥkhaphalā iti. yathā cedaṃ duḥkhaṃ pratikūlātmakam evaṃ viṣayasukhakāle+api duḥkham asty eva pratikūlātmakaṃ yoginaḥ.
kathaṃ, tad upapādyate ---