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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Vice, when placed on another, excites, by means of its double relations, the passion of hatred, instead of love, which for the same reason arises from virtue. Whether this virtue of humility has been rightly understood, I shall not pretend to determine. But can there be any difficulty in proving, that vice and virtue are not matters of fact, whose existence we can infer by reason? Take any action allowed to be vicious: Wilful murder, for instance.