Franois-Marie Arouet (1694 1778), better known by the pen name Voltaire, was a French Enlightenment writer, essayist, deist and philosopher known for his wit, philosophical sport, and defense of civil liberties, including freedom of religion and free trade
"The instruction we find in books is like fire. We fetch it from our neighbours, kindle it at home, communicate it to others, and it becomes the property of all."