Originality Is Undetected Plagiarism

Voltaire? William Ralph Inge? Herbert Paul? Paul Chatfield? Horace Smith? Katharine Fullerton Gerould? Anonymous? Dear Quote Investigator: I have been attempting to trace a provocative and humorous remark about originality that has been attributed to a professor at the University of Cambridge named William Ralph Inge: Originality is undetected plagiarism. Would you please help? Quote …