Verse
ब्रह्मार्पणं ब्रह्म हविर् ब्रह्माग्नौ ब्रह्मणा हुतम् ।ब्रह्मैव तेन गन्तव्यं ब्रह्मकर्मसमाधिना ॥
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 4·24