Shivapurana 3.41.18

Śivapurāṇa (complete text) 3.41.18

aho śivaśśivaḥ so'yaṃ yo me prabhutayā vṛtaḥ |
trilokeśaḥ svayaṃ sākṣād hā kṛtaṃ kiṃ mayādhunā ||