“Truth does not become more true by virtue of the fact that the entire world agrees with it, nor less so even if the whole world disagrees with it.”

“WHEN reading my present treatise, bear in mind that by "faith" we do not understand merely that which is uttered with the lips, but also that which is apprehended by the soul, the conviction that the object [of belief] is exactly as it is apprehended. If, as regards real or supposed truths, you content yourself with giving utterance to them in words, without apprehending them or believing in them, especially if you do not seek real truth, you have a very easy task as, in fact, you will find many ignorant people professing articles of faith without connecting any idea with them.”

“In the realm of Nature there is nothing purposeless, trivial, or unnecessary”

“We naturally like what we have been accustomed to, and are attracted towards it. [...] The same is the case with those opinions of man to which he has been accustomed from his youth; he likes them, defends them, and shuns the opposite views.”

“Your purpose...should always be to know...the whole that was intended to be known.”

“If a person studies too much and exhausts his reflective powers, he will be confused, and will not be able to apprehend even that which had been within the power of his apprehension. For the powers of the body are all alike in this respect.”

“The physician should not treat the disease but the patient who is suffering from it”