Shiva Purana
मुनय ऊचुः ॥ ज्ञानं सलक्षणं ब्रूहि यज्ज्ञात्वा शिवताम्व्रजेत् ॥ कथं शिवश्च तत्सर्वं सर्वं वा शिव एव च ॥ ३१ ॥
The sages said:— Please explain that knowledge with all its characteristics realising which one attains the state of Śiva. How is Śiva all and how is all Śiva?
english translation
munaya UcuH ॥ jJAnaM salakSaNaM brUhi yajjJAtvA zivatAmvrajet ॥ kathaM zivazca tatsarvaM sarvaM vA ziva eva ca ॥ 31 ॥
hk transliteration by Sanscript