Date: 1644, 1647

"Sensory awareness comes about by means of nerves, which stretch like threads from the brain to all the limbs, and are joined together in such a way that hardly any part of the human body can be touched without producing movement in several of the nerve-ends that are scattered around in that area"

— Descartes, René (1596-1650)

Date: 1900, 1901

"Between nature and ourselves, nay, between ourselves and our own consciousness a veil is interposed: a veil that is dense and opaque for the common herd,--thin, almost transparent, for the artist and the poet. What fairy wove that veil?"

— Bergson, Henri-Louis (1859-1941)