Rigveda 1.37.15

अस्ति॒ हि ष्मा॒ मदा॑य व॒: स्मसि॑ ष्मा व॒यमे॑षाम् ।विश्वं॑ चि॒दायु॑र्जी॒वसे॑॥

asti hi ṣmā madāya va: smasi ṣmā vayameṣām |viśvaṃ cidāyurjīvase ||

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