Jyotiṣa-saṅgraha: Varga-vibhāga, Bala-nirṇaya, Garbha-phala, Āyuḥ-gaṇanā
वृद्धाविनात्सादिधिया मंगा मायारिगो विधोः । केंद्राष्टापार्थगः स्वर्क्षान्मंदाद्गोष्टायकेंद्रगः ॥ १५५ ॥
vṛddhāvinātsādidhiyā maṃgā māyārigo vidhoḥ | keṃdrāṣṭāpārthagaḥ svarkṣānmaṃdādgoṣṭāyakeṃdragaḥ || 155 ||
火星が土星と合(あるいはその圧を受け)、知性が損なわれるとき、火星は月の敵となる。角宮(ケーンドラ)または第八宮にあり、たとえ自宮にあっても、土星の作用によって卑しい交友を招き、土星が角宮にある場合には、群れのような下劣な環境に閉じ込められることを生む。
Sanatkumara (teaching Narada the indications of graha-yogas)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: bhayanaka
It frames planetary afflictions as karmic indicators: when harsh influences dominate the mind (afflicted buddhi), one is drawn toward degrading associations and restrictive circumstances, which obstruct dharma and inner clarity needed for moksha.
By implication, it shows that disturbed mental tendencies and bad company arise from adverse karmic patterns; bhakti is protected by seeking sattvic association (satsaṅga) and disciplines that steady the mind against such afflictions.
Jyotiṣa (Vedāṅga astrology): the verse uses house-based logic (kendra, aṣṭama) and graha relations (Mars afflicted by Saturn, hostility to the Moon) to describe concrete life-results of specific planetary placements.