"And what surprize must we feel, when we find him a stupid mechanic, who imitated others, and copied an art, which, through a long succession of ages, after multiplied trials, mistakes, corrections, de…"

"I am apt to suspect the negroes and in general all other species of men (for there are four or five different kinds) to be naturally inferior to the whites."

"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."

"The imagination is a great source of error."

"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."