Shiva Purana
यस्य मंत्रस्य यद्द्रव्यं तेन पूजां समाचरेत्॥ अमंत्रकं न कर्तव्यं पूजनं तु हरस्य च ॥ ३४॥
The worship shall be performed in due concordance with the material and the mantras. Śiva’s worship shall always be performed in accompaniment with the mantras.
english translation
yasya maMtrasya yaddravyaM tena pUjAM samAcaret॥ amaMtrakaM na kartavyaM pUjanaM tu harasya ca ॥ 34॥
hk transliteration by Sanscript