Shiva Purana
वामदेव उवाच ॥ भगवन्सर्वतत्त्वज्ञ षण्मुखामृतवारिधे ॥ गुरुत्वं कथमेतेषां यतीनाम्भावितात्मनाम् ॥ ७ ॥
Vāmadeva said:— O lord Kārttikeya, O ocean of nectar, O knower of all principles, how can the ascetics of purified souls attain the position of a preceptor?
english translation
vAmadeva uvAca ॥ bhagavansarvatattvajJa SaNmukhAmRtavAridhe ॥ gurutvaM kathameteSAM yatInAmbhAvitAtmanAm ॥ 7 ॥
hk transliteration by Sanscript