(p. 107) . . . Claude Bernard, the nineteenth-century founder of experimental medicine, . . . famously said, “If an idea presents itself to us, we must not reject it simply because it does not agree with the logical deductions of a reigning theory.”
Meyers, Morton A. Happy Accidents: Serendipity in Modern Medical Breakthroughs. New York: Arcade Publishing, 2007.
(Note: ellipses added.)