Roger Bacon — "Theories are of no use if they cannot be tested by experiment."
Theories are of no use if they cannot be tested by experiment.
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More from Roger Bacon
"The study of logic is necessary, but it is not sufficient for the acquisition of knowledge."
"The common way of studying is rather for the sake of reputation than for the sake of knowledge."
"The greater part of the world is ignorant of the true wisdom, and is ruled by error and deception."
"The study of perspective is a most noble science, and of great utility for all other sciences."
"For without experiment nothing can be sufficiently known. Therefore, he who wishes to be certain of the truths of things must have recourse to experiment."
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