Rigveda 3.31.4
अ॒भि जैत्री॑रसचन्त स्पृधा॒नं महि॒ ज्योति॒स्तम॑सो॒ निर॑जानन् ।तं जा॑न॒तीः प्रत्युदा॑यन्नु॒षास॒: पति॒र्गवा॑मभव॒देक॒ इन्द्र॑:॥
abhi jaitrīrasacanta spṛdhānaṃ mahi jyotistamaso nirajānan |taṃ jānatīḥ pratyudāyannuṣāsa: patirgavāmabhavadeka indra: ||
Our plain-language meaning of this verse is waiting for scholar review.