उमामहेश्वरव्रतं—पञ्चाक्षरमन्त्रस्य माहात्म्यं, न्यासः, जपविधिः, सदाचारः, विनियोगः
गुरुर्देवो यतः साक्षात् तद्गृहं देवमन्दिरम् पापिना च यथासंगात् तत्पापैः पतनं भवेत्
gururdevo yataḥ sākṣāt tadgṛhaṃ devamandiram pāpinā ca yathāsaṃgāt tatpāpaiḥ patanaṃ bhavet
由于上师确为神明的直接显现,故上师之居所即是神殿。然而若随其交往而与罪人相伴,便会堕落——被那人的罪业本身所牵引而下沉。
Suta Goswami (narrating to the sages of Naimisharanya)
It establishes that approaching the Guru is equivalent to entering a deva-mandira; thus, right association and reverence are prerequisites for successful Shiva-upasana and Linga-puja.
By declaring the Guru as ‘sākṣāt deva’, it reflects the Shaiva view that Pati (Shiva) becomes accessible through the Guru’s living guidance—divinity is encountered in embodied instruction leading the pashu beyond pasha.
Satsanga as a discipline: guarding one’s company as part of Pashupata-oriented purification, since dussanga transmits tamas and leads to patana (spiritual decline).