Rigveda 3.2.5

अ॒ग्निं सु॒म्नाय॑ दधिरे पु॒रो जना॒ वाज॑श्रवसमि॒ह वृ॒क्तब॑र्हिषः ।य॒तस्रु॑चः सु॒रुचं॑ वि॒श्वदे॑व्यं रु॒द्रं य॒ज्ञानां॒ साध॑दिष्टिम॒पसा॑म्॥

agniṃ sumnāya dadhire puro janā vājaśravasamiha vṛktabarhiṣaḥ |yatasrucaḥ surucaṃ viśvadevyaṃ rudraṃ yajñānāṃ sādhadiṣṭimapasām ||

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