There are four chief obstacles to grasping truth: frail authority, custom, the opinion of the unlearned crowd, and the concealment of ignorance by ostentation.
Early advocate of scientific method
From 'Opus Majus', attacking medieval education
1267
Found in 1 providers: deepseek
Cross Reference
1 source
"The whole Church is in a state of corruption, and needs to be reformed."
Controversial"The philosophers of the Arabs are more accurate and more subtle than the Latins."
Controversial"The greatest errors in the world arise from the neglect of experiment."
Controversial"The study of optics is of the greatest utility, for it teaches us to understand the nature of light, and of all things that are visible."
Controversial"The common way of teaching is a hindrance to true knowledge."
ControversialPremium quality, printed on demand. Ships worldwide.
Don't see what you're looking for? Email us for custom products
