All power, even the most despotic, rests ultimately on opinion.

He is happy whom circumstances suit his temper; but he Is more excellent who suits his temper to any circumstance.

The great end of all human industry is the attainment of happiness. For this were arts invented, sciences cultivated, laws ordained, and societies modeled, by the most profound wisdom of patriots and legislators. Even the lonely savage, who lies exposed to the inclemency of the elements and the fury of wild beasts, forgets not, for a moment, this grand object of his being.

Everything in the world is purchased by labor.

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.

And whoever is moved by Faith to assent to it, is conscious of a continued miracle in his own person, which subverts all the principles of his understanding, and gives him a determination to believe what is most contrary to custom and experience.

..all arguments concerning existence are founded on the relation of cause and effect; that our knowledge of that relation is derived entirely from experience; and all our experimental conclusions proceed upon the supposition that the future will be conformable to the past. .... Without the influence of custom, we should be entirely ignorant of every matter of fact beyond what is immediately present to the memory and senses.