The human mind cannot create anything. It produces nothing until having been fertilized by experience and meditation; its acquisitions are the germs of its production.
Source: In The Speaker's Electronic Reference Collection, AApex Software, 1994.
-- George-Louis Leclerc de Buffon, (Sep 7 1707-1788), French naturalist; He was the first to develop a theory of geological eras and organic evolution in Histoire Naturelle, 1749-88.