Mahabharata 12.179.1

भरद्वाज उवाच · bharadvāja uvāca

यदि प्राणायते वायुर्वायुरेव विचेष्टतेश्वसित्याभाषते चैव तस्माज्जीवो निरर्थकः

yadi prāṇāyate vāyurvāyureva viceṣṭateśvasityābhāṣate caiva tasmājjīvo nirarthakaḥ

Our plain-language meaning of this verse is waiting for scholar review.