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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As to the third sense of the word, it is certain, that both vice and virtue are equally artificial, and out of nature. Besides, the commerce of mankind is not confined to the barter of commodities, but may extend to services and actions, which we may exchange to our mutual interest and advantage. A sense of duty supposes an antecedent obligation: And where an action is not required by any natural passion, it cannot be required by any natural obligation; since it may be omitted without proving any defect or imperfection in the mind and temper, and consequently without any vice. But if we are called upon to explain what we mean by substance, and wish to avoid the vice of reasoning in a circle, the answer is by no means so easy.