Shiva Purana
तदूर्ध्वं हि व्रजंत्येव निष्कामा लिंगपूजकाः । तदर्वाक्परिवर्तंते शिवान्यसुरपूजकाः ७३ ।
The worshippers of the phallic emblem who are unaffected by desire can go beyond that. Worshippers of deities other than Śiva, hover beneath that.
english translation
tadUrdhvaM hi vrajaMtyeva niSkAmA liMgapUjakAH । tadarvAkparivartaMte zivAnyasurapUjakAH 73 ।
hk transliteration by Sanscript