"The common way of disputing is not for the discovery of truth, but for victory."

"It is necessary to know the causes of things, and not only their effects, if we wish to have perfect knowledge."

"It is better to learn from the infidels than to remain in ignorance."

"Without the knowledge of Greek, it is impossible to understand the Scriptures perfectly."

"The philosophers of the Arabs are more accurate and more subtle than the Latins."