"What a peculiar privilege has this little agitation of the brain which we call thought!"

"The only method of freeing us from these abstruse questions, is to enquire seriously into the nature of human understanding, and show, from an exact analysis of its powers and capacities, that it is b…"

"The identity that we ascribe to things is only a fictitious one, established by the mind, not a peculiar nature belonging to what we're talking about."

"It is impossible for us to think of any thing, which we have not antecedently felt, either by our external or internal senses."

"The greatest part of mankind are governed by authority, not by reason."