Shiva Purana
यस्य देवे पराभक्तिर्यथा देवे तथा गुरौ ॥ तस्यैते कथिताह्यर्थाः प्रकाशंते महात्मनः ॥ ७५ ॥
These facts reveal to him who is of noble soul, who has great devotion to the lord and to the preceptor in the form of Śiva.
english translation
yasya deve parAbhaktiryathA deve tathA gurau ॥ tasyaite kathitAhyarthAH prakAzaMte mahAtmanaH ॥ 75 ॥
hk transliteration by Sanscript