Buonaparte's whole life, civil, political, and military, was a fraud. There was not a transaction, great or small, in which lying and fraud were not introduced.
Source, in full
Letter to John Wilson Croker (29 December 1835), quoted in L. J. Jennings (ed.), The Croker Papers: The Correspondence and Diaries of the Late Right Honourable John Wilson Croker, LL.D., F.R.S., Secretary to the Admiralty from 1809 to 1830, Vol. II (1884), p. 287