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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For as sound reason convinces us that there are bodies vastly more minute than those, which appear to the senses; and as a false reason would perswade us, that there are bodies infinitely more minute; we clearly perceive, that we are not possessed of any instrument or art of measuring, which can secure us from ill error and uncertainty. It is a logical postulate of reason; to pursue, as far as possible, the connection of a conception with its conditions. According to the idea of reason, the whole past time, as the condition of the given moment, is necessarily cogitated as given. And indeed, as our passions always regard the real existence of objects, and we always judge of this reality from past instances; nothing can be more likely of itself, without any farther reasoning, than that power consists in the possibility or probability of any action, as discovered by experience and the practice of the world. To understand this we must consider, that custom, to which I attribute all belief and reasoning, may operate upon the mind in invigorating an idea after two several ways. Demonstrative reason discovers only relations. Here all sinks away from under us; and the greatest, as the smallest, perfection, hovers without stay or footing in presence of the speculative reason, which finds it as easy to part with the one as with the other. But we feel persuaded that we are able to proceed beyond a conception, and to extend our cognition a priorI. We attempt this in two ways--either, through the pure understanding, in relation to that which may become an object of experience, or, through pure reason, in relation to such properties of things, or of the existence of things, as can never be presented in any experience.