Margaret Bald quotes:

Like water leaking slowly through a dike to become a steady trickle or a flood, words and ideas inexorably elude the censor's grasp. (Banned Books: Censorship Histories of World Literature)

For centuries censorship has created best sellers because, as Michel de Montaigne said, 'To forbid us anything is to make us have a mind for it.' (Banned Books: Censorship Histories of World Literature)