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

The distinction of moral good and evil is founded on the pleasure or pain, which results from the view of any sentiment, or character; and as that pleasure or pain cannot be unknown to the person who feels it, it follows [Footnote 22], that there is just so much vice or virtue in any character, as every one places in it, and that it is impossible in this particular we can ever be mistaken.