Shivapurana 2.1.14.49

Śivapurāṇa (complete text) 2.1.14.49

prājāpatyaṃ brāhmaṇānāṃ kartavyaṃ ca phalepsubhiḥ |
godhūmānnaistathā pūjā praśastā śaṅkarasya vai ||