The progress of science is strewn, like an ancient desert trail, with the bleached skeleton of discarded theories which once seemed to possess eternal life.
Source: In The Speaker's Electronic Reference Collection, AApex Software, 1994.
-- Arthur Koestler, (Sep 5 1905-1983), Hungarian-English novelist, essayist; He is best known for his anti-Stalinist novel, Darkness at Noon, 1941.