याज्ञवल्क्येति होवाच यदिदं सर्वं मृत्योरन्नं का स्वित्सा देवता यस्या मृत्युरन्नमिति ।अग्निर्वै मृत्युः सोऽपामन्नम् ।अप पुनर्मृत्युं जयति ॥३,२.१० ॥
In plain words
"Yājñavalkya," he said, "since all this is the food of death, which is that deity whose food death is?" "Fire is death, and it is the food of the waters. He who knows this conquers repeated death."