Shivapurana 5.44.105

Śivapurāṇa (complete text) 5.44.105

tvattaḥ sarvaṃ tvaṃ hi sarvaṃ gaurīśastvaṃ purāntakaḥ |
tvaṃ bālastvaṃ yuvā vṛddhastaṃ tvāṃ hṛdi yunajmyaham ||