Rigveda 3.21.3
तुभ्यं॑ स्तो॒का घृ॑त॒श्चुतोऽग्ने॒ विप्रा॑य सन्त्य ।ऋषि॒: श्रेष्ठ॒: समि॑ध्यसे य॒ज्ञस्य॑ प्रावि॒ता भ॑व॥
tubhyaṃ stokā ghṛtaścuto'gne viprāya santya |ṛṣi: śreṣṭha: samidhyase yajñasya prāvitā bhava ||
Our plain-language meaning of this verse is waiting for scholar review.