"Every mode of religion, to make a deep and lasting impression on the human mind, must exercise our obedience by enjoining practices of devotion, for which we can assign no reason; and must acquire our esteem, by inculcating moral duties analogous to the dictates of our own hearts"
The History of the Decline and Fall of the Roman Empire
Published in six volumes: vol. I in 1776; vols. II and III, 1781; vols. IV, V, and VI, 1788-1789. At least 36 entries in ESTC (1776, 1781, 1782, 1783, 1784, 1787, 1788, 1789, 1790, 1791, 1797).<br>
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See <u>The History of the Decline and Fall of the Roman Empire. By Edward Gibbon, Esq; Volume the First.</u> (London: Printed for W. Strahan; and T. Cadell, in the Strand, 1776). &lt;<a href="http://estc.bl.uk/T78356">Link to ESTC</a>&gt;<br>
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Searching in  Edward Gibbon, <u>The History of the Decline and Fall of the Roman Empire, </u>ed. J.B. Bury with an Introduction by W.E.H. Lecky (New York: Fred de Fau and Co., 1906), in 12 vols.