Shiva Purana
तथा पापं विलीयेत ह्याचार्यस्य समीपतः ॥ यथा प्रज्वलितो वह्निः शुष्कमार्द्रं च निर्दहेत् ॥ २८ ॥
In this way sin will be dissolved in the presence of the teacher. Just as a blazing fire burns up dry and wet materials.
english translation
tathA pApaM vilIyeta hyAcAryasya samIpataH ॥ yathA prajvalito vahniH zuSkamArdraM ca nirdahet ॥ 28 ॥
hk transliteration by Sanscript