Shiva Purana
शक्तौयया शिवो नित्यं भक्तौ मुक्तौ च देहिनाम् ॥ आद्या सैका परा शक्तिश्चिन्मयी शिवसंश्रया ॥ १३ ॥
Lord Śiva is always the source of all devotional service and liberation for the embodied souls. The original and supreme energy is the consciousness of Lord Śiva.
english translation
zaktauyayA zivo nityaM bhaktau muktau ca dehinAm ॥ AdyA saikA parA zaktizcinmayI zivasaMzrayA ॥ 13 ॥
hk transliteration by Sanscript