Richard Dawkins' Speech at the Edinburgh International Science Festival (April 15, 1992); quoted in "EDITORIAL: A scientist's case against God", "The Independent"(London), (p. 17), April 20, 1992.
Benjamin Franklin (1817). “The private correspondence of Benjamin Franklin, LL.D, F.R.S., &c. Minister Plenipontentiary from the United States of America at the court of France, and for the Treaty of Peace and Independence with Great Britain, &c. &c: comprising a series of letters on miscellaneous, literary, and political subjects written between the years 1753 and 1790, illustrating the memoirs of his public and private life, and developing the secret history of his political transactions and negociations”, p.69