Rigveda 8.3.4
अ॒यं स॒हस्र॒मृषि॑भि॒: सह॑स्कृतः समु॒द्र इ॑व पप्रथे ।स॒त्यः सो अ॑स्य महि॒मा गृ॑णे॒ शवो॑ य॒ज्ञेषु॑ विप्र॒राज्ये॑॥
ayaṃ sahasramṛṣibhi: sahaskṛtaḥ samudra iva paprathe |satyaḥ so asya mahimā gṛṇe śavo yajñeṣu viprarājye ||
Our plain-language meaning of this verse is waiting for scholar review.