François-Marie Arouet (21 November 1694 – 30 May 1778), known by his nom de plume Voltaire, was a French Enlightenment writer, historian, and philosopher famous for his wit, his attacks on the established Catholic Church, and his advocacy of freedom of religion, freedom of speech, and separation of church and state.
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It is dangerous to be right in matters on which the established authorities are wrong.
What is tolerance? It is the consequence of humanity. We are all formed of frailty and error, let us pardon reciprocally each other's folly - that is the first law of nature.
It is lamentable that to be a good patriot one must become the enemy of the rest of mankind.