David Hume, Eric Steinberg (1993). “An Enquiry Concerning Human Understanding ; [with] A Letter from a Gentleman to His Friend in Edinburgh ; [and] An Abstract of a Treatise of Human Nature”, p.71, Hackett Publishing
David Hume, Tom L. Beauchamp (2007). “A Dissertation on the Passions: The Natural History of Religion : a Critical Edition”, p.112, Oxford University Press