Context
Why Orwell wrote it — and why nobody read it for decades
Orwell wrote the line not about tyrants abroad but about his own side. Animal Farm was an anti-Stalin fable written while Stalin was Britain’s wartime ally, and Orwell had been turned down by publisher after publisher who found the allegory impolitic. The preface was his answer: an attack not on state censorship but on the voluntary kind — editors, publishers and intellectuals who suppressed criticism of the Soviet Union because it was awkward rather than because it was untrue.
Then the preface itself got cut. Space had been allotted for it in the author’s proof, and its removal forced a last-minute renumbering of pages before Secker and Warburg published the first edition on 17 August 1945 ↗. An essay arguing that unwelcome speech must be printable was, fittingly, the part of the book that did not get printed.
An essay about voluntary censorship was itself quietly cut from the book.
The line’s second life: carved outside the BBC
The sentence is now Orwell’s most public words in Britain. Martin Jennings’s statue of Orwell was unveiled outside Broadcasting House on 7 November 2017 ↗, and Wikipedia records that “the wall behind the statue is inscribed with George Orwell’s words ‘If liberty means anything at all, it means the right to tell people what they do not want to hear’, from an unused preface to Animal Farm.”
Orwell had worked for the BBC himself during the war, in the Indian Section of its Eastern Service — a detail that gives the choice of wall a certain edge, since the essay carved on it is about institutions declining to broadcast inconvenient things.