ब्रह्मार्पणं ब्रह्म हविर् ब्रह्माग्नौ ब्रह्मणा हुतम् ।ब्रह्मैव तेन गन्तव्यं ब्रह्मकर्मसमाधिना ॥
brahmārpaṇaṃ brahma havir brahmāgnau brahmaṇā hutambrahmaiva tena gantavyaṃ brahmakarmasamādhinā
Brahman is the giving, Brahman is the food-offering, by Brahman it is offered into the Brahman-fire, Brahman is that which is to be attained by Samadhi in Brahman-action.
Gītā 4·24This then is the knowledge in which the liberated man has to do works of sacrifice… It is the knowledge of the entire unity; it is the One manifest as the doer and the deed and the object of works, knower and knowledge and the object of knowledge. The universal energy into which the action is poured is the Divine; the consecrated energy of the giving is the Divine; whatever is offered is only some form of the Divine; the giver of the offering is the Divine himself in man; the action, the work, the sacrifice is itself the Divine in movement, in activity; the goal to be reached by sacrifice is the Divine.