Rig Veda
उ॒त ग्ना अ॒ग्निर॑ध्व॒र उ॒तो गृ॒हप॑ति॒र्दमे॑ । उ॒त ब्र॒ह्मा नि षी॑दति ॥ उत ग्ना अग्निरध्वर उतो गृहपतिर्दमे । उत ब्रह्मा नि षीदति ॥
Agni may be the officiating priest at the sacrifice, or the master of the house in the sacrificial chamber, or he sits down as the Brahman.
english translation