भगवन्सर्वधर्मज्ञ ।व्रतानांव्रतनायकम् ॥ब्रूहिमेकृपयाशंभो ।गुरुमाहात्म्यमुत्तमम् ॥
In plain words
Blessed one, knower of every dharma: tell me in your kindness, Śambhu, the supreme greatness of the guru, which among all observances is the chief observance.