1842 September 11 Sydney Smith "Letter to Lady Day" in A Memoir of the Reverend Sydney Smith, Volume 2 (1855; London: Longman, Brown, Green) p.469, No.478
1997, Carl F. Cranor, “A Philosophy of Risk Assessment and the Law: A Case Study of the Role of Philosophy in Public Policy” in Philosophical Studies LXXXV, № 2/3, page 135