Date: 1777
"The minds of the negroes are contracted; because slavery destroys all the springs of the soul."
preview | full record— Raynal, Guillaume Thomas (1713-1796)
Date: 1780-85; in French, 36 vols. 1749-1788
"Is it difficult to perceive that our ideas originate from our senses alone; that the objects we regard as real existences, are those concerning which the senses uniformly give the same testimony."
preview | full record— Buffon, Georges Louis Leclerc, comte de (1707-1788)