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, commands the assent of the mind. Where it produces not this effect, it must proceed either from some disorder in the organs of perception, or from the influence of some strong interest, or passion, or prejudice. Of this nature are the maxims in geometry, that the whole is greater than its part; that things equal to the same, are equal to one another; that two straight lines cannot inclose a space; and that all right angles are equal to each other. Of the same nature, are these other maxims in ethics and politics, that there cannot be an effect without a cause; that the means ought to be proportioned to the end; that every power ought to be commensurate with its object; that there ought to be no limitation of a power destined to effect a purpose which is itself incapable of limitation. And there are other truths in the two latter sciences, Which, if they cannot pretend to rank in the class of axioms, are such direct inferences from them, and so obvious in themselves, and so agreeable to the natural, and unsophisticated dictates of common sense, that they challenge the assent of a sound and unbiassed mind, with a degree of force and conviction almost equally irresistible.

The objects of geometrical inquiry, are so entirely abstracted from those pursuits which stir up and put in motion the unruly passions of the human heart, that mankind, without difficulty, adopt not only the more simple theorems of the science, but even those abstruse paradoxes which, how ever they may appear susceptible of demonstration, are at variance with the natural conceptions which the mind, without the aid of philosophy, would be led to entertain upon the subject. The of matter, or, in other words, the  divisibility of a  thing, extending even to the minutest atom, is a point agreed among geometricians; though not less incomprehensible to common sense, than any of those mysteries in religion, against which the batteries of infidelity have been so industriously levelled.

But in the sciences of morals and politics, men are found far less tractable. To a certain degree, it is right and useful that this should be the case. Caution and