Rigveda 8.43.31
अ॒ग्निं म॒न्द्रं पु॑रुप्रि॒यं शी॒रं पा॑व॒कशो॑चिषम् ।हृ॒द्भिर्म॒न्द्रेभि॑रीमहे॥
agniṃ mandraṃ purupriyaṃ śīraṃ pāvakaśociṣam |hṛdbhirmandrebhirīmahe ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book