[The sceptic] must acknowledge, if he will acknowledge any thing, that 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 end to their miserable existence.

No man ever threw away life while it was worth keeping.

The end of all moral speculations is to teach us our duty; and, by proper representations of the deformity of vice and beauty of virtue, beget correspondent habits, and engage us to avoid the one, and embrace the other.

Virtue, like wholesome food, is better than poisons, however corrected.

An infinite number of real parts of time, passing in succession, and exhausted one after another, appears so evident a contradiction, that no man, one should think, whose judgement is not corrupted, instead of being improved, by the sciences, would ever be able to admit of it.

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.

It is more rational to suspect knavery and folly than to discount, at a stroke, everything that past experience has taught me about the way things actually work