Roger Bacon — "The ignorance of the clergy is the cause of much evil in the world."
The ignorance of the clergy is the cause of much evil in the world.
The ignorance of the clergy is the cause of much evil in the world.
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"The knowledge of languages is the key to all knowledge."
"The mathematical sciences are the gate and the key to the understanding of all other sciences."
"The study of perspective is a most noble science, and of great utility for all other sciences."
"The whole world is full of ignorance, and men are content to live in darkness."
"Mathematics is the door and the key to the sciences."
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