"The method of discovery and proof, whether by the senses or by the mind, is one and the same; and it is only by a right method of discovery that we can hope for a right method of proof."

"The honest and just man is a perpetual censor."

"For it is a sure rule, that a man were better to be a suitor to the devil, than to a man whose heart is not open."

"The mind of man is far from a clear and even mirror, but is rather like an enchanted glass, full of superstitions and impostures."

"For the sense is a thing infirm and erring, and the mind is a thing variable and full of perturbation, and governed as it were by chance."