Date: 1802

"The brain secretes thought like the liver secretes bile."

— Cabanis, Pierre Jean Georges (1757-1808)

Date: w. 1761-2, rev. 1773-4, 1805

"J'abandonne mon esprit à tout son libertinage. Je le laisse maître de suivre la première idée sage ou folle qui se présente, comme on voit dans l'allée de Foy nos jeunes dissolus marcher sur les pas d'une courtisane à l'air éventé, au visage riant, à l'oeil vif, au nez retroussé, quitter celle-c...

— Diderot, Denis (1713-1784)

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)

Date: 1900, 1901

"Deep in our souls we should hear the strains of our inner life’s unbroken melody,--a music that is ofttimes gay, but more frequently plaintive and always original."

— Bergson, Henri-Louis (1859-1941)

Date: 1900, 1901

"We move amidst generalities and symbols, as within a tilt-yard in which our force is effectively pitted against other forces; and fascinated by action, tempted by it, for our own good, on to the field it has selected, we live in a zone midway between things and ourselves, externally to things, e...

— Bergson, Henri-Louis (1859-1941)