Oyonale - 3D art and graphic experiments
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Click on the phrases to see them in context. The original texts by Immanuel Kant and David Hume are available from the Gutenberg Projet.
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It will take thousands of tests and many years before the effects of electromagnetic radiation on the human body is known. But when we consider the same actions in relation to reason--not for the purpose of explaining their origin, that is, in relation to speculative reason, but to practical reason, as the producing cause of these actions--we shall discover a rule and an order very different from those of nature and experience. Secondly, The same course of reasoning will make us conclude, that there is but one kind of necessity, as there is but one kind of cause, and that the common distinction betwixt moral and physical necessity is without any foundation in nature. As, during these labours, I have advanced pretty far in years this month I reach my sixty-fourth year--it will be necessary for me to economize time, if I am to carry out my plan of elaborating the metaphysics of nature as well as of morals, in confirmation of the correctness of the principles established in this Critique of Pure Reason, both speculative and practical; and I must, therefore, leave the task of clearing up the obscurities of the present work--inevitable, perhaps, at the outset--as well as, the defence of the whole, to those deserving men, who have made my system their own. Thus as the nature of a river consists in the motion and change of parts; though in less than four and twenty hours these be totally altered; this hinders not the river from continuing the same during several ages. In all changes of phenomena, substance is permanent, and the quantum thereof in nature is neither increased nor diminished. The same system may help us to form a just notion of the happiness, as well as of the dignity of virtue, and may interest every principle of our nature in the embracing and cherishing that noble quality.