Uniform ideas originating among entire peoples unknown to each other must have a common ground of truth.

The universal principle of etymology in all languages: words are carried over from bodies and from the properties of bodies to express the things of the mind and spirit. The order of ideas must follow the order of things.

The nature of peoples is first crude, then severe, then benign, then delicate, finally dissolute.

Political Science carries inseparably with it the study of piety, and that he who is not pious cannot be truly wise.

But the nature of our civilized minds is so detached from the senses, even in the vulgar, by abstractions corresponding to all theabstract terms our languages abound in, and so refined by the art of writing, and as it were spiritualized by the use of numbers, because even the vulgar know how to count and reckon, that it is naturally beyond our power to form the vast image of this mistress called "Sympathetic Nature.

Common sense is judgment without reflection, shared by an entire class, an entire nation, or the entire human race.

The criterion and rule of the true is to have made it. Accordingly, our clear and distinct idea of the mind cannot be a criterion of the mind itself, still less of other truths. For while the mind perceives itself, it does not make itself.