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.
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More from Roger Bacon
"The greatest obstacle to progress in science is the blind adherence to authority."
"There are many fables and falsehoods in the books of the Latins, which are taken for truths."
"The mathematical sciences are the gate and the key to the understanding of all other sciences."
"The greatest impediment to learning is the fear of error."
"There are four chief obstacles to grasping truth: frail authority, custom, the opinion of the unlearned crowd, and the concealment of ignorance by ostentation."