Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/1/11

यत्किंचिद्दृश्यते दृश्यं वर्ण्यते स्मर्यते च यत् ।। तत्सर्वं शिवरूपं हि नान्यदस्तीति किंचन ।। ११ ।।

sanskrit

Whatever is seen, described or remembered is Śiva’s form. Nothing other than that has real existence.

english translation

yatkiMciddRzyate dRzyaM varNyate smaryate ca yat || tatsarvaM zivarUpaM hi nAnyadastIti kiMcana || 11 ||

hk transliteration by Sanscript