उमामहेश्वरव्रतं—पञ्चाक्षरमन्त्रस्य माहात्म्यं, न्यासः, जपविधिः, सदाचारः, विनियोगः
श्रीभगवानुवाच प्रलय अन्द् सृष्टि पञ्चाक्षरस्य माहात्म्यं वर्षकोटिशतैरपि न शक्यं कथितुं देवि तस्मात् संक्षेपतः शृणु
śrībhagavānuvāca pralaya and sṛṣṭi pañcākṣarasya māhātmyaṃ varṣakoṭiśatairapi na śakyaṃ kathituṃ devi tasmāt saṃkṣepataḥ śṛṇu
ພຣະຜູ້ມີພຣະພອນກ່າວວ່າ: «ໂອ ເທວີ, ມະຫິມາຂອງມົນຕຣາຫ້າພະຍາງ—ເປັນເມັດພັນແຫ່ງການສ້າງຫຼັງການພິນາດ—ແມ່ນບໍ່ອາດກ່າວໃຫ້ຄົບໄດ້ ແມ່ນແມ່ນໃນຮ້ອຍລ້ານປີ. ດັ່ງນັ້ນ ຈົ່ງຟັງແບບຫຍໍ້»។
Shiva (Śrī Bhagavān)
It establishes the pañcākṣara as an inexhaustible source of Śiva’s presence—so vast that its praise cannot be completed—thereby legitimizing mantra-japa as a central limb of Liṅga-upāsanā.
Śiva is implied as Pati—the Lord beyond time—whose mantra-power spans pralaya and sṛṣṭi; His tattva is not merely cosmic function but the transcendent ground from which dissolution and re-manifestation are understood.
Pañcākṣara-japa (mantra repetition) as a concise yet complete upāya: a Pāśupata-aligned practice for loosening pāśa (bondage) and stabilizing the paśu (soul) in remembrance of Pati (Śiva).