Hackett Classics

An Enquiry Concerning the Principles of Morals is the enquiry subsequent to the Enquiry Concerning Human Understanding. Thus, it is often referred to as "the second Enquiry". It was originally published three years after the first Enquiry. Hume first disc

Through dialogue, three philosophers named Demea, Philo, and Cleanthes debate the nature of God's existence. Whether or not these names reference specific philosophers, ancient or otherwise, remains a topic of scholarly dispute. While all three agree that