one volume, and adds a preface explaining that while he republishes the papers in the form in which they were originally published, he now wishes some of them to be understood with certain qualifications; or, more radically, that he does not now agree with the argument of some of the earlier papers but republishes them in order to show what is wrong with them. In such a context the author is not expressing the views contained in the papers, but rather quoting them; and the meaning of the whole is