vacam vahner mukham ksetram
brahma uvaca-Lord Brahma said; vacam-of the voice; vahneh-of fire; mukham-the mouth; ksetram-generating center; chandasam-of the Vedic hymns, such as Gayatri; sapta-seven; dhatavah-skin and six other layers; havya-kavya-offerings for the demigods and the forefathers; amrta-food for human beings; annanam-of all sorts of foodstuffs; jihva-the tongue; sarva-all; rasasya-of all delicacies; ca-also.