.. that which renders morality an active principle and constitutes virtue our happiness, and vice our misery: it is probable, I say, that this final sentence depends on some internal sense or feeling, which nature has made universal in the whole species.

It seems to me, that the only Objects of the abstract Sciences or of Demonstration is Quantity and Number, and that all Attempts to extend this more perfect Species of Knowledge beyond these Bounds are mere Sophistry and Illusion.

It is harder to avoid censure than to gain applause.

All this creative power of the mind amounts to no more than the faculty of compounding, transposing, augmenting, or diminishing the materials afforded us the by senses and experience.

Any person seasoned with a just sense of the imperfections of natural reason, will fly to revealed truth with the greatest avidity.

How could politics be a science, if laws and forms of government had not a uniform influence upon society? Where would be the foundation of morals, if particular characters had no certain or determinate power to produce particular sentiments, and if these sentiments had no constant operation on actions?

There is a set of harmless liars, frequently to be met with in company, who deal much in the marvellous. Their usual intention is to please and entertain; but as men are most delighted with what they conceive to be the truth, these people mistake the means of pleasing, and incur universal blame.