Roger Bacon — "Ignorance is the mother of all errors."
Ignorance is the mother of all errors.
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More from Roger Bacon
"Many errors have crept into the texts of Aristotle, through the ignorance of translators."
"Mathematics is the door and the key to the sciences."
"The common way of studying is rather for the sake of reputation than for the sake of knowledge."
"Many things are held to be true which are false, and many things are held to be false which are true."
"Without experiment, nothing can be sufficiently known."