It was not for gain that Bacon, Newton, Milton, Locke instructed and delighted the world; it would be unworthy such men to traffic with a dirty bookseller for so much a sheet of a letter-press … Knowledge and science are not things to be bound in such cobweb chains; when once the bird is out of the cage … volat irrevocabile—Ireland, Scotland, America, will afford her shelter.

Lord Camden arguing against perpetuity in the House of Lords on the question of Literary Property on Feb. 22, 1774