Shiva Purana
आत्मोपमोल्वणं साक्षान्मूर्तिरेव हि काचन ॥ शिवस्य मूर्तिर्मूर्त्यात्मा परस्तस्योपलक्षणम् ॥ १३ ॥
Some form, intense with the similarity of Ātman, is Śiva’s idol. The other, the great one, the Ātman of the Mūrti is its implication.
english translation
AtmopamolvaNaM sAkSAnmUrtireva hi kAcana ॥ zivasya mUrtirmUrtyAtmA parastasyopalakSaNam ॥ 13 ॥
hk transliteration by Sanscript