"I have already observed, in examining the foundation of mathematics, that the imagination, when set into any train of thinking, is apt to continue even when its object fails it, and, like a galley put in motion by the oars, carries on its course without any new impulse."
A Treatise of Human Nature
Published anonymously with vols. I and II appearing in January in 1739 and vol. III appearing in November of 1740. Only 1 entry in the ESTC (1740).<br>
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David Hume, <u>A Treatise of Human Nature. Being an Attempt to Introduce the Experimental Method of Reasoning into Moral Subjects.</u> 3 vols. (London: Printed for John Noon, 1739; Thomas Longman, 1740). &lt;<a href="http://estc.bl.uk/T4002">Link to ESTC</a>&gt;&lt;<a href="http://find.galegroup.com/ecco/infomark.do?&contentSet=ECCOArticles&type=multipage&tabID=T001&prodId=ECCO&docId=CW118260024&source=gale&userGroupName=viva_uva&version=1.0&docLevel=FASCIMILE">Link to ECCO</a>&gt;&lt;<a href="http://name.umdl.umich.edu/004806339.0001.001">Link to ECCO-TCP</a>&gt;&lt;<a href="http://oll.libertyfund.org/title/342">Link to OLL</a>&gt;<br>
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Reading David Hume, <u>A Treatise of Human Nature</u>, eds. D. F. and M. J. Norton (Oxford: OUP, 2000). Searching in Past Masters and OLL editions.