Page:The System of Nature.djvu/148

 of which this ideal whole is composed, have been previously communicated to it, in consequence of the impulse given to the senses by exterior objects: it is thus man forms to himself the idea of centaurs, or a being composed of a man and a horse, of hyppogriffs, or a being composed of a horse with wings and a griffin, besides a thousand other objects, equally ridiculous. By memory, the brain renews in itself the sensations, the perceptions, and the ideas which it has received or generated; represents to itself the objects which have actually moved its organs. By imagination it combines them variously: forms objects in their place which have not moved its organs, although it is perfectly acquainted with the elements or ideas of which it composes them. It is thus that man, by combining a great number of ideas borrowed from himself, such as justice, wisdom, goodness, intelligence, &amp;c. by the aid of imagination, has formed various ideal beings, or imaginary wholes, which he has called JUPITER, JUNO, BRAMAH, SATURN, &amp;c.

Judgment is the faculty which the brain possesses of comparing with each other the modifications it receives, the ideas it engenders, or which it has the power of awakening within itself, to the end that it may discover their relations, or their effects.

Will is a modification of the brain, by which it is disposed to action, that is to say, to give such an impulse to the organs of the body, as can induce to act in a manner, that will procure for itself what is requisite to modify it in a mode analogous to its own existence, or to enable it to avoid that by which it can be injured. To will is to be disposed to action. The exterior objects, or the interior