Any attempt to shape the world and modify human personality in order to create a self-chosen pattern of life involves many unknown consequences. Human destiny is bound to remain a gamble, because at some unpredictable time and in some unforeseeable manner nature will strike back. The multiplicity of determinants which affect biological systems limits the power of the experimental method to predict their trends and behavior.
Rene DubosHuman destiny is bound to remain a gamble, because at some unpredictable time and in some unforeseeable manner nature will strike back.
Rene DubosMen are naturally most impressed by diseases which have obvious manifestations, yet some of their worst enemies creep on them unobtrusively.
Rene Dubos