Shiva Purana

siva.sh/siva-purana/rudra-samhita/91/23

अगुणं ब्रह्मणो रूपं शिवस्य परमात्मनः ।। तत्कथं हि विजानन्ति त्वादृशास्तद्बहिर्मुखाः ।। २३ ।।

sanskrit

The form of Śiva, the supreme soul, is that of Brahman, devoid of attributes. How can people like you know it, people with extrovert faces?

english translation

aguNaM brahmaNo rUpaM zivasya paramAtmanaH || tatkathaM hi vijAnanti tvAdRzAstadbahirmukhAH || 23 ||

hk transliteration by Sanscript