"His [Newton's] <i>regulae philosophandi</i> are maxims of common sense, and are practised every day in common life; and he who philosophizes by other rules, either concerning the material system, or concerning the mind, mistakes his aim."
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.