A quote by Claud Cockburn.
Believe nothing until it has been officially denied.
(Francis) Claud Cockburn (12 April 1904 – 15 December 1981) was a noted radical British journalist. The quote above has been widely cited in journalistic studies, although he did not claim credit for originating it. He was the second cousin, once removed, of novelists Alec Waugh and Evelyn Waugh. During his lifetime, Cockburn was a leading British Communist Party member.
In the 1950s, he contributed to various newspapers and journals, this included Punch Magazine and Private Eye; in 1963 he played a role in the downfall of John Profumo, the then Secretary of State for War. He published several books including Aspects of English History (1957), The Devil’s Decade (1973), Union Power (1976) and Cockburn Sums Up (1981). Cockburn also published three volumes of autobiography, In Time of Trouble (1956), Crossing the Line (1958) and View From the West (1967).