Markandeyapurana 10.8

10.8

taṃ śṛṇuṣva mahābhāga yathā prāha pituḥ purā /
putraḥ paramadharmātmā sumatirnāma nāmataḥ //

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.