The Explanation of Sandhyā and Related Daily Observances
Saṅdhyā-ādi Nitya-karma-Vidhi
देवता चार्द्धनारीशो विनियोगोऽखिलाप्तये । हलो वीजानि चोक्तानि स्वराः शक्तय ईरिताः ॥ १२१ ॥
devatā cārddhanārīśo viniyogo'khilāptaye | halo vījāni coktāni svarāḥ śaktaya īritāḥ || 121 ||
เทวตาประธานคือ ‘อรรธนารีศวร’ และการนำไปใช้เพื่อบรรลุสิ่งทั้งปวง พยัญชนะกล่าวเป็น ‘พีชะ’ ส่วนสระสอนว่าเป็น ‘ศักติ’
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
It frames mantra-science in a precise ritual grammar: every mantra has a devatā (presiding deity) and a viniyoga (intended use), and it links sound-structure to spiritual potency by identifying consonants with bīja (seed) and vowels with śakti (power).
By naming the devatā as Ardhanārīśvara, it emphasizes focused devotion to a chosen divine form (devatā-bhāva) and disciplined mantra-use (viniyoga) as a means to fulfill aims while remaining anchored in reverence to the deity.
Śikṣā (Vedic phonetics) and mantra-vidhi: it teaches a functional mapping of varṇas—consonants as bīja-elements and vowels as śakti-elements—useful for correct mantra analysis, recitation, and ritual application.