Mokṣopāya: Bhakti-rooted Jñāna and the Aṣṭāṅga Yoga of Viṣṇu-Meditation
अकारं ब्रह्मणो रुपमुकारं विष्णुरुपवत् । मकारं रुद्ररुपं स्यादर्ध्दमात्रं परात्मकम् ॥ ५५ ॥
akāraṃ brahmaṇo rupamukāraṃ viṣṇurupavat | makāraṃ rudrarupaṃ syādardhdamātraṃ parātmakam || 55 ||
‘அ’ என்பது பிரம்மாவின் ரூபம்; ‘உ’ என்பது விஷ்ணுவின் ரூபம்; ‘ம’ என்பது ருத்ரரூபம்; அர்த்தமாத்திரை (நுண் நாதம்) பரமாத்மா.
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
It teaches that Praṇava (Oṃ) contains the cosmic functions—creation (Brahmā), preservation (Viṣṇu), dissolution (Rudra)—and that beyond these audible parts is the subtle half-mora, identified with the Supreme Self (Paramātman), pointing the seeker to liberation.
By linking the ‘U’ of Oṃ to Viṣṇu, it supports Viṣṇu-upāsanā through mantra-japa and meditation: devotion begins with reverent recitation and culminates in contemplation of the transcendent reality indicated by the ardha-mātrā.
Śikṣā (Vedic phonetics) is implied: the verse distinguishes the audible phonemes (A-U-M) and the subtle ‘ardha-mātrā’ (nasal resonance/silence beyond sound), guiding correct mantra articulation and meditative focus.