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Agni, master of pure tapas, works out all the actions of the Yoga, the inner sacrifice. <ref>http://incarnateword.in/cwsa/16/rv-i-dot-94-dot-1-10#p14</ref>

Agni, the inner flame, the soul within us (for who can deny that the soul is fire?), the innate aspiration drawing man towards the heights; Agni, the ardent will within us that sees, always and forever, and remembers; Agni, ‘the priest of the sacrifice,’ the ‘divine worker,’ the ‘envoy between earth and heaven’ (Rig-veda III, 3.2) ‘he is there in the middle of his house’ (I.70.2). <ref>http://incarnateword.in/agenda/02/october-30-1961#p41</ref>