Shiva Purana
कुंभस्नानं मंत्रदीक्षां मातृकान्यासमेव च । ब्राह्मणः सत्यपूतात्मा गुरुर्ज्ञानी विशिष्यते ४१ ।
The ceremonial ablution when the sun is in transit to the Zodiac Kumbha, initiation for mantras, the Nyāsa of Mātṛkās;॥ 3॥ a brahmin, a person with soul purified by truth; a preceptor of perfect knowledge—all these are splendid.
english translation
kuMbhasnAnaM maMtradIkSAM mAtRkAnyAsameva ca । brAhmaNaH satyapUtAtmA gururjJAnI viziSyate 41 ।
hk transliteration by Sanscript