Shiva Purana
सर्वं ब्रह्मेत्युपासीत सर्वं वै रुद्र इत्यपि॥ श्रुतिराह मुने तस्मात्प्रपञ्चात्मा सदाशिवः ॥ ३४ ॥
O sage, the Śruti says “Think that everything is Brahman, everything is Rudra.” Thus Sadāśiva is the Ātman of the universe.
english translation
sarvaM brahmetyupAsIta sarvaM vai rudra ityapi॥ zrutirAha mune tasmAtprapaJcAtmA sadAzivaH ॥ 34 ॥
hk transliteration by Sanscript