How do you know that the incessant progress of science will not compel scientists to consider that life has existed during eternity, and not matter?
Louis PasteurThese are the living springs of great thoughts and great actions. Everything grows clear in the reflections from the Infinite.
Louis PasteurTo demonstrate experimentally that a microscopic organism actually is the cause of a disease and the agent of contagion, I know no other way, in the present state of Science, than to subject the microbe (the new and happy term introduced by M. Sédillot) to the method of cultivation out of the body.
Louis Pasteur