BG 13.4-6
What that Field is and of what nature, how modified, and whence it is, and what He is and what His powers, hear that now briefly from Me. Rishis have sung in manifold ways, in many various chants, and in decisive Brahma-sûtra verses full of reasonings. The great Elements, Individuality, Reason, and also the unmanifested, the ten senses and the one, and the five pastures of the senses;