Shloka 9
नारद-देवमत-संवादः
Nārada–Devamata Dialogue on Prāṇa, Apāna, and Udāna
प्राणापानाविदं द्वन्द्भवाक् चोर्ध्व॑ च गच्छत: । व्यान: समानश्वैवोभौ तिर्यग् द्वन्द्धत्वमुच्यते
prāṇāpānāv idaṃ dvandvabhāvāc cordhvaṃ ca gacchataḥ | vyānaḥ samānaś caivobhau tiryag dvandvatvam ucyate ||
那罗陀说道：普拉那（Prāṇa）与阿帕那（Apāna）为一对对待之气，行于相反方向——一上升，一下降。同样，毗耶那（Vyāna）与萨摩那（Samāna）亦被称为一双，横行而遍布中部。由此可知，身中诸气以互补成对而显其秩序与平衡。
नारद उवाच
Educational Q&A
The verse frames the body’s life-functions as complementary dualities: prāṇa/apāna (upward vs. downward movement) and vyāna/samāna (pervading and balancing in the middle). Ethical and spiritual discipline is implied as learning harmony and order within oneself rather than being driven by inner oppositions.
Nārada is instructing by describing the inner physiology of the vital breaths (vāyus) in terms of dvandva (paired forces). The teaching shifts attention from external events to an inward, yogic understanding of how life is sustained through balanced movements.