Devibhagavatapurana 11.16.58

Devībhāgavatapurāṇa 11.16.58

so'hamarko'smyahaṃ jyotirātmā jyotirahaṃ śivaḥ |
ātmajyotirahaṃ śuklaḥ sarvajyotī raso'smyaham ||