Rigveda 1.72.8

स्वा॒ध्यो॑ दि॒व आ स॒प्त य॒ह्वी रा॒यो दुरो॒ व्यृ॑त॒ज्ञा अ॑जानन् ।वि॒दद् गव्यं॑ स॒रमा॑ दृ॒ह्लमू॒र्वं येना॒ नु कं॒ मानु॑षी॒ भोज॑ते॒ विट्॥

svādhyo diva ā sapta yahvī rāyo duro vyṛtajñā ajānan |vidad gavyaṃ saramā dṛhlamūrvaṃ yenā nu kaṃ mānuṣī bhojate viṭ ||

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