Shiva Purana
जिह्वाकामोपभोगार्थं यस्यारंभः सुकर्मसु ॥ मूलेनख्यापको नित्यं वेदज्ञानादिकं च यत् ॥ १०॥
Engagement in sacred rites to satisfy the palate or the sexual urge, teaching only the text of the Vedas (not the meaning).
english translation
jihvAkAmopabhogArthaM yasyAraMbhaH sukarmasu ॥ mUlenakhyApako nityaM vedajJAnAdikaM ca yat ॥ 10॥
hk transliteration by Sanscript