When principles are so absurd and so destructive of human society, it may safely be averred, that the more sincere and the more disinterested they ar… - David Hume

All the materials of thinking are derived either from our outward senses or from our inward feelings: all that the mind and will do is to mix and combine these materials.

For my part, when I enter most intimately into what I call myself, I always stumble on some particular perception or other, of heat or cold, light or shade, love or hatred, pain or pleasure. I never can catch myself at any time without a perception, and never can observe any thing but the perception…. If any one, upon serious and unprejudic'd reflection thinks he has a different notion of himself, I must confess I can reason no longer with him. All I can allow him is, that he may be in the right as well as I, and that we are essentially different in this particular. He may, perhaps, perceive something simple and continu'd, which he calls himself; tho' I am certain there is no such principle in me.

Nay, if we should suppose, what seldom happens, that a popular religion were found, in which it was expressly declared that nothing but morality could gain the divine favor; if an order of priests were instituted to inculcate this opinion in daily sermons and with all the arts of persuasion; yet so inveterate are the people's prejudices, that, for want of some other superstition, they would make the very attendance on these sermons the essentials of religion, rather than place them in virtue and good morals.