Shiva Purana
यत्रावाह्य समाराध्यः केवलो निष्कलः शिवः ॥ तत्तेष्वपि तदा बिंदोर्नादाच्छक्तेस्ततः परात् ॥ २३ ॥
Wherever one worships and worships the pure and pure Lord Śiva Even in those, then, from the sound of the point, from the power beyond that.
english translation
yatrAvAhya samArAdhyaH kevalo niSkalaH zivaH ॥ tatteSvapi tadA biMdornAdAcchaktestataH parAt ॥ 23 ॥
hk transliteration by Sanscript