Roger Bacon — "The study of optics is of the greatest utility, for it teaches us to understand …"
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.
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.
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"The study of grammar, as it is commonly taught, is a waste of time."
"It is a great shame that Christians neglect the study of languages, which is so necessary for the understanding of the divine law."
"The present state of philosophy is deplorable, and needs to be reformed."
"The whole Church is in a state of corruption, and needs to be reformed."
"The greatest part of the world is in error, and they do not know it."
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