"The great laws of morality are indeed written in our hearts, and may be discovered by reason: but our reason is of slow growth, very unequally dispensed to different persons, liable to error, and confined within very narrow limits in all."
Letters on the Improvement of the Mind, Addressed to a Lady
At least 32 entries in ESTC (1773, 1774, 1775, 1777, 1778, 1783, 1786, 1787, 1790, 1793, 1797, 1800).<br> 
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See Hester Chapone, <u>Letters on the Improvement of the Mind, Addressed to a Lady</u>, 2 vols. (London: Printed by H. Hughs for J. Walter, 1773). &lt;<a href="http://find.galegroup.com/ecco/infomark.do?&contentSet=ECCOArticles&type=multipage&tabID=T001&prodId=ECCO&docId=CW114742139&source=gale&userGroupName=viva_uva&version=1.0&docLevel=FASCIMILE">Link to ECCO</a>&gt; &lt;<a href="http://books.google.com/books?id=_a1bAAAAQAAJ">Vol. 1 in Google Books</a>&gt;&lt;<a href="http://www.gutenberg.org/files/35890/35890-h/35890-h.htm">Project Gutenberg Edition</a>&gt;