Roger Bacon — "It is necessary to know the causes of things, and not only their effects, if we …"
It is necessary to know the causes of things, and not only their effects, if we wish to have perfect knowledge.
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More from Roger Bacon
"Many things are believed on mere custom, without any reason or proof."
"Theories are of no use if they cannot be tested by experiment."
"The Latins have corrupted the texts of the Scriptures, and of the philosophers."
"The errors of the Latins are innumerable, and they are worse than the errors of the infidels."
"The greatest obstacle to progress in science is the blind adherence to authority."