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

Several moralists have recommended it as an excellent method of becoming acquainted with our own hearts, and knowing our progress in virtue, to recollect our dreams in a morning, and examine them with the same rigour, that we would our most serious and most deliberate actions.

Since then natural abilities, though, perhaps, inferior, yet are on the same footing, both as to their causes and effects, with those qualities which we call moral virtues, why should we make any distinction betwixt them?