Click on the phrases to see them in context. The original texts by Immanuel Kant and David Hume are available from the Gutenberg Projet.

If any one, therefore, would assert, that justice is a natural virtue, and injustice a natural vice, he must assert, that abstracting from the nations of property, and right and obligation, a certain conduct and train of actions, in certain external relations of objects, has naturally a moral beauty or deformity, and causes an original pleasure or uneasiness.