Shiva Purana
लिंगैर्मच्छासनादिष्टैस्त्रिपुंड्रादिभिरंकितः ॥ ममोपचारनिरतः कायः कायो न चेतरः ॥ ५१ ॥
The body that is marked by the characteristic symbols as prescribed by me such as Tripuṇḍras, and that is engaged in rendering service unto me is the true body—nothing else.
english translation
liMgairmacchAsanAdiSTaistripuMDrAdibhiraMkitaH ॥ mamopacAranirataH kAyaH kAyo na cetaraH ॥ 51 ॥
hk transliteration by Sanscript