एवमेषां लोकानामासां देवतानामस्यास्त्रय्या विद्याया वीर्येण यज्ञस्य विरिष्टं संदधाति भेषजकृतो ह वा एष यज्ञो यत्रैवंविद्ब्रह्मा भवति ॥ ४.१७.८ ॥
In plain words
so with the strength of these worlds, of these deities and of this threefold knowledge does he mend the harm done to the sacrifice. That sacrifice is healed where there is a Brahman priest who knows this.