From “The Quotations page”:
I disapprove of what you say, but I will defend to the death your right to say it.
Voltaire, (Attributed); originated in “The Friends of Voltaire”, 1906, by S. G. Tallentyre (Evelyn Beatrice Hall)
Notes about this Quotation
Voltaire [French author, humanist, rationalist, & satirist (1694 – 1778)] probably never said these exact words. They were written in 1906 by Evelyn Beatrice Hall (pseud. S. G. Tallentyre) in the biography “The Friends of Voltaire”. The author did not attribute the words to Voltaire, but used them to sum up Voltaire’s attitude:
“‘I disapprove of what you say, but I will defend to the death your right to say it,’ was his attitude now. “