Narada said By whatever the creature is created, that first comes to him which is other. The vital airs are to be known as existing in pairs, viz., those which move transversely, upwards, and downwards.
नारद उवाच येनायं सृज्यते जन्तुस्ततोऽन्यः पूर्वमेति तम्। प्राणद्वन्द्वं हि विज्ञेयं तिर्यगूर्ध्वमधश्च यत्॥