Shiva Purana
ये शिवं शुद्धकर्माणस्सुशुद्धतपसान्विताः ॥ समर्चयन्ति तं नित्यं वन्द्यास्ते सर्वथान्वहम् ॥ ३॥
Those who perform holy rites, who are endowed with very pious penance and who always worship Śiva should be honoured in every way always.
english translation
ye zivaM zuddhakarmANassuzuddhatapasAnvitAH ॥ samarcayanti taM nityaM vandyAste sarvathAnvaham ॥ 3॥
hk transliteration by Sanscript