Rigveda 3.1.23

॥इळा॑मग्ने पुरु॒दंसं॑ स॒निं गोः श॑श्वत्त॒मं हव॑मानाय साध ।स्यान्न॑: सू॒नुस्तन॑यो वि॒जावा ऽग्ने॒ सा ते॑ सुम॒तिर्भू॑त्व॒स्मे॥

||iḷāmagne purudaṃsaṃ saniṃ goḥ śaśvattamaṃ havamānāya sādha |syānna: sūnustanayo vijāvā 'gne sā te sumatirbhūtvasme ||

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