Rigveda 3.2.1

गाथिनो विश्वामित्रः। वैश्वानरोऽग्निः। जगती। · gāthino viśvāmitraḥ | vaiśvānaro'gniḥ | jagatī |

वै॒श्वा॒न॒राय॑ धि॒षणा॑मृता॒वृधे॑ घृ॒तं न पू॒तम॒ग्नये॑ जनामसि ।द्वि॒ता होता॑रं॒ मनु॑षश्च वा॒घतो॑ धि॒या रथं॒ न कुलि॑श॒: समृ॑ण्वति॥

vaiśvānarāya dhiṣaṇāmṛtāvṛdhe ghṛtaṃ na pūtamagnaye janāmasi |dvitā hotāraṃ manuṣaśca vāghato dhiyā rathaṃ na kuliśa: samṛṇvati ||

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