Shiva Purana

siva.sh/siva-purana/saturda-samhita/32/27

रुद्रेण निर्गुणेनालं किन्ते कार्यं भविष्यति ।। देवजातिबहिर्भूतो यः पिशाचत्वमागतः।। २७।।

sanskrit

Enough of Rudra devoid of attributes. What purpose of yours can be achieved by his worship? He is out of the caste of the gods. He has become a Piśāca.

english translation

rudreNa nirguNenAlaM kinte kAryaM bhaviSyati || devajAtibahirbhUto yaH pizAcatvamAgataH|| 27||

hk transliteration by Sanscript