Mantra 5

न प्राणेन नापानेन मर्त्यो जीवति कश्चन ।इतरेण तु जीवन्ति यस्मिन्नेतावुपाश्रितौ ॥ ५ ॥

In plain words

No mortal lives at all by the out-breath, nor by the in-breath; rather, they live by another, on whom these two depend.