Avatarika
पुनर्ब्रह्मविद्यां प्रकारान्तरेण वक्ष्यामीत्यारभते गतिं च तद्विदोऽग्निविद्यां च ।आख्यायिका पूर्ववच्छ्रद्धातपसोर्ब्रह्मविद्यासाधनत्वप्रदर्शनार्था—
In plain words
The text now begins to impart the knowledge of Brahman through a different approach, along with the path of the knowers and the science of the sacred fires. As before, this story is introduced to show that faith and austerity are the true stepping stones to the knowledge of Brahman.
Close to the Sanskrit
Beginning again, [the text] undertakes to teach the knowledge of Brahman through another method, as well as the path [of the soul] and the fire-knowledge of those who know that. The narrative is meant to show, as before, that faith and austerity are the means to the knowledge of Brahman.