"In the arts and sciences which have least connection with the mind, its faculties are the engines which we must employ; and the better we understand their nature and use, their defects and disorders, the more skilfully we shall apply them, and with the greater success."
An Inquiry into the Human Mind on the Principles of Common Sense
<u>An Inquiry into the Human Mind, on the Principles of Common Sense. By Thomas Reid, D. D. Professor of Philosophy in King's College, Aberdeen</u> (Edinburgh: Printed for A. Millar and A. Kincaid & J. Bell, 1764). &lt;<a href="http://find.galegroup.com/ecco/infomark.do?&source=gale&prodId=ECCO&userGroupName=viva_uva&tabID=T001&docId=CW117422497&type=multipage&contentSet=ECCOArticles&version=1.0&docLevel=FASCIMILE">Link to ECCO</a>&gt;
The third edition is available in Google Books &lt;<a href="http://books.google.com/books?id=v-IsAAAAYAAJ">Link</a>&gt;<br>
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See also fourth edition of 1785, which serves as the copy text for Derek Brookes' critical edition published by The Pennsylvania State University Press, 1997.