Oyonale - Créations 3D et expériences graphiques
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Cliquer sur les phrases pour les voir dans leur contexte. Les textes de Immanuel Kant et David Hume sont disponibles auprès du Projet Gutenberg.
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But a deduction of the pure a priori conceptions of course never can be made in this way, seeing that, in regard to their future employment, which must be entirely independent of experience, they must have a far different certificate of birth to show from that of a descent from experience. In the elaboration of our experience, they may also be employed with great advantage, as heuristic [Footnote; From the Greek, eurhioko.] principles. Inasmuch as the substances in the world have always existed--at least the unity of experience renders such a supposition quite necessary--there is no difficulty in believing also, that the changes in the conditions of these substances have always existed; and, consequently, that a first beginning, mathematical or dynamical, is by no means required. by our repeated experience of the inconveniences of transgressing it. For how can two persons dispute about a thing, the reality of which neither can present in actual or even in possible experience? Now the propositions of pure reason, especially when they transcend the limits of possible experience, do not admit of our making any experiment with their objects, as in natural science. It is certain, that a considerable part of the beauty of men, as well as of other animals, consists in such a conformation of members, as we find by experience to be attended with strength and agility, and to capacitate the creature for any action or exercise.