Rigveda 8.49.7
यद्ध॑ नू॒नं यद्वा॑ य॒ज्ञे यद्वा॑ पृथि॒व्यामधि॑ ।अतो॑ नो य॒ज्ञमा॒शुभि॑र्महेमत उ॒ग्र उ॒ग्रेभि॒रा ग॑हि॥
yaddha nūnaṃ yadvā yajñe yadvā pṛthivyāmadhi |ato no yajñamāśubhirmahemata ugra ugrebhirā gahi ||
Our plain-language meaning of this verse is waiting for scholar review.