There are two modes of acquiring knowledge, namely by reasoning and experience. Reasoning draws a conclusion and makes us grant the conclusion, but does not make the conclusion certain, nor does it remove doubt so that the mind may rest on the intuition of truth, unless the mind discovers it by the path of experience.
Roger BaconA man is crazy who writes a secret in any other way than one which will conceal it from the vulgar.
Roger BaconThe strongest arguments prove nothing so long as the conclusions are not verified by experience. Experimental science is the queen of sciences and the goal of all speculation.
Roger BaconReasoning draws a conclusion, but does not make the conclusion certain, unless the mind discovers it by the path of experience.
Roger Bacon