Fire when eaten becomes threefold. What is coarsest in it becomes bone, what is medium becomes marrow and what is subtlest becomes speech.
Sama Veda, Chandogya Upanishad VI, V – The Threefold Nature of Food, 3
The mind, my dear, consists of food, the prana of water and speech of heat. Please, venerable Sir, instruct me further. So be it, my dear
Sama Veda, Chandogya Upanishad VI, V – The Threefold Nature of Food, 4
That, my dear, which is the subtlest part of curds rises, when they are churned and becomes butter.
Sama Veda, Chandogya Upanishad VI, VI – The Physical Nature of the Mind, the Prana and Speech, 1
In the same manner, my dear, that which is the subtlest part of the food that is eaten rises and becomes mind.
Sama Veda, Chandogya Upanishad VI, VI – The Physical Nature of the Mind, the Prana and Speech, 2
They have raised their voices to heaven, these eagles, they have danced with vigor, these dark-colored hinds. Now they sink toward the lower stone, find contact, and effuse copious Soma-seed, brightly shining.
Rig Veda X, 94, 5
