"The fact is, that the greatest part of our reasonings, concerning matters of fact, are founded on the relation of cause and effect."

"When we run over libraries, persuaded of these principles, what havoc must we make? If we take in our hand any volume; of divinity or school metaphysics, for instance; let us ask, Does it contain any …"

"It is not contrary to reason to prefer the destruction of the whole world to the scratching of my finger."

"A propensity to laugh is at the bottom of all our serious philosophical enquiries."

"All human life must perish, were his principles to prevail. All discourse, all action would immediately cease, and men remain in a total lethargy, till the necessities of nature, unsatisfied, put an e…"