- ^ See Hume, David (1751). An Enquiry Concerning the Principles of Morals (1 ed.). London: A. Millar. Retrieved 28 June 2014 – via Google Books. David Hume.
This content is from Wikipedia. GradeSaver is providing this content as a courtesy until we can offer a professionally written study guide by one of our staff editors. We do not consider this content professional or citable. Please use your discretion when relying on it.