धूमादग्निप्रतीतिश्च न चायं नियमः स्थितः ।
कक्षभूर्जादिजो वह्निर्गुहाकारे ज्वलन् गृहे ॥५८॥
dhūmādagnipratītiśca na cāyaṃ niyamaḥ sthitaḥ |
kakṣabhūrjādijo vahnirguhākāre jvalan gṛhe
And the cognition of fire from smoke — this (alleged) fixed rule is not established; (consider) a fire arisen from grass, birch-bark and the like, blazing in a cave-like house (and what follows).