Markandeyapurana 10.7

10.7

pakṣiṇa ūcuḥ
praśnabhāro 'yamatulastvayāsmāsu niveśitaḥ /
durbhāvyaḥ sarvabhūtānāṃ bhāvābhāvasamāśritaḥ //

The birds spoke:
Unparalleled is this burdensome question that thou hast propounded to us; it is difficult to be imagined, touching as it does the existence and death of all living beings. Listen to it, Sir! as a son, most thoroughly righteous, named Sumati,[3] once declared it to his father.