"The greatest part of mankind may be divided into two classes; that of shallow thinkers, who fall short of the truth, and that of abstruse thinkers, who go beyond it."

"All our ideas are nothing but copies of our impressions, or, in other words, that it is impossible for us to think of anything, which we have not antecedently felt, either by our external or internal …"

"No testimony is sufficient to establish a miracle, unless the testimony be of such a kind, that its falsehood would be more miraculous, than the fact, which it endeavours to establish."

"The life of man is a perpetual flux of motion. All his thoughts, sentiments, and actions are in a continual succession, and never remain for any considerable time in the same state."

"It is difficult for a man to speak long of himself without vanity; therefore, I shall be short."