I am apt to suspect the Negroes to be naturally inferior to the Whites. There scarcely ever was a civilization of their complexion, nor even any individual, eminent either in action or speculation.

The whole [of religion] is a riddle, an ænigma, an inexplicable mystery. Doubt, uncertainty, suspence of judgment appear the onlyresult of our most accurate scrutiny, concerning this subject.

I know with certainty, that [an honest man] is not to put his hand into the fire, and hold it there, till it be consumed: And thisevent, I think I can foretell with the same assurance, as that, if he throw himself out at the window, and meet with no obstruction, he will not remain a moment suspended in the air.

Moving from an objective statement of fact to a subjective statement of value does not work, because it leaves open questions that have not been answered.

For as to the dispersing of Books, that Circumstance does perhaps as much harm as good: Since Nonsense flies with greater Celerity, and makes greater Impression than Reason; though indeed no particular species of Nonsense is so durable. But the several Forms of Nonsense never cease succeeding one another; and Men are always under the Dominion of some one or other, though nothing was ever equal in Absurdity and Wickedness to our present Patriotism.

A man who has cured himself of all ridiculous prepossessions, and is fully, sincerely, and steadily convinced, from experience as well as philosophy, that the difference of fortune makes less difference in happiness than is vulgarly imagined; such a one does not measure out degrees of esteem according to the rent-rolls of his acquaintance. ... his internal sentiments are more regulated by the personal characters of men, than by the accidental and capricious favors of fortune.

Delicacy of taste has the same effect as delicacy of passion; it enlarges the sphere both of our happiness and our misery.