Devibhagavatapurana 8.21.10

8.21.10

nārada uvāca |
vaicitryametallokasya kathaṃ bhagavatā kṛtam |
samānatve karmaṇāṃ ca tanno brūhi yathātatham ||

Nârada said:-- “O Bhagavân! Kindly describe to me now why has the Bhagavân created so many diversities, when the Karmas, done by the Jîvas, are the same.”