Jyotiṣa-saṅgraha: Varga-vibhāga, Bala-nirṇaya, Garbha-phala, Āyuḥ-gaṇanā
स्थिरस्थैर्यमुसलं नाम द्विशरीणतैर्नलः । भाला केंद्रस्थितैः सौम्यैः पापैस्सर्प उदाहृतः ॥ १९३ ॥
sthirasthairyamusalaṃ nāma dviśarīṇatairnalaḥ | bhālā keṃdrasthitaiḥ saumyaiḥ pāpaissarpa udāhṛtaḥ || 193 ||
Chama-se “Sthira-sthairya-musala”; pela condição de “dois corpos” é dito “Nala”. Ó benigno, quando os benéficos ocupam as casas angulares e os maléficos ficam nas posições centrais, declara-se o (yoga/presságio) chamado “Sarpa”.
Narada (teaching in a technical, Vedanga-linked context)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It frames Jyotiṣa (Vedic astrology) as a dharmic tool: recognizing planetary patterns (yogas/omens) helps a seeker act with awareness, restraint, and right timing—supporting steadiness (sthairya) on the path of Moksha Dharma.
Indirectly: by advising discernment through omens/yogas, it encourages devotees to align actions and vows with auspicious conditions, minimizing obstacles and keeping the mind steady for Vishnu-oriented devotion and disciplined practice.
Jyotiṣa Vedāṅga: the verse references kendra (angular houses) and classification of planetary configurations into named yogas/omens (e.g., “Sarpa”), indicating applied astrological diagnostics.