Srimad Bhagavatam — Shashtha Skandha, Shloka 10
Nārāyaṇa-kavaca — The Armor of Lord Nārāyaṇa
न्यसेद्धृदय ओंङ्कारं विकारमनु मूर्धनि । षकारं तु भ्रुवोर्मध्ये णकारं शिखया न्यसेत् ॥ ८ ॥ वेकारं नेत्रयोर्युञ्ज्यान्नकारं सर्वसन्धिषु । मकारमस्त्रमुद्दिश्य मन्त्रमूर्तिर्भवेद् बुध: ॥ ९ ॥ सविसर्गं फडन्तं तत्सर्वदिक्षु विनिर्दिशेत् । ॐ विष्णवे नम इति ॥ १० ॥
nyased dhṛdaya oṁkāraṁ vi-kāram anu mūrdhani ṣa-kāraṁ tu bhruvor madhye ṇa-kāraṁ śikhayā nyaset
随后应诵六字真言“唵 毗湿奴耶 那摩哈”。将“唵”安置于心间，将“毗”置于头顶，将“沙”安于眉间，将“那”安于发髻（śikhā），将“耶/维”安于两眼之间；又以“那”遍置全身诸关节，并观想“摩”为兵器，如是行者成为真言之身。继而于末字加上visarga，向东方起遍及十方诵“摩ḥ 阿斯特拉耶 破吒”，以真言护甲缚护诸方。
FAQs
In this verse, Śukadeva describes mantra-nyāsa—placing the syllables of “oṁ viṣṇave namaḥ” on different parts of the body—so the devotee becomes “mantra-mūrti,” the embodied presence of the mantra, and projects protection in all directions.
Chapter 6.8 presents the Nārāyaṇa-kavaca as a devotional shield; Śukadeva explains the method so the practitioner anchors remembrance of Viṣṇu throughout the body and mind, making devotion itself the protection.
Chant “oṁ viṣṇave namaḥ” with steady attention, mentally dedicating your heart, mind, vision, and actions to Viṣṇu; this cultivates inner steadiness and a protective devotional focus amid stress and uncertainty.