I am not talking to you, you are bloody idiot, you are part of the establishment, you work for MI6.
Source, in full
Asked by a BBC reporter about his evidence at the inquest into the death of Diana, Princess of Wales, as cited in "Police investigate claims Fayed sexually assaulted 15-year-old: Outspoken Thoughts of Al Fayed", The Independent (23 October 2008), p. 4
Notes from Wikiquote
Citations of his comments vary, but the incident occurred the previous February.