Shiva Purana
तत्रानपेक्षात्सापेक्षो मुख्यः शतगुणाधिकः ॥ शिवधर्मान्वयस्यास्य शिवज्ञानसमन्वयः ॥ ३७ ॥
That which is dependent on the preceptor is more important and hundred times more efficacious since in the Śaivite creed there is an association of Śaivite knowledge.
english translation
tatrAnapekSAtsApekSo mukhyaH zataguNAdhikaH ॥ zivadharmAnvayasyAsya zivajJAnasamanvayaH ॥ 37 ॥
hk transliteration by Sanscript