— William Warren Bartley US-amerikanischer Philosoph 1934 - 1990
Flucht ins Engagement, books.google.com http://books.google.com/books?id=iUKhAkqlP2gC&pg=PA2&dq=isbn:3169451308&hl=de#v=onepage&q=&f=false, Seite 2. Übersetzer: Klaus Pähler. Tübingen, 1987, ISBN 3-16-945130-8.
Original englisch: "For people are not yet alienated from the problem of alienation, or indifferent to the hope of overcoming indifference." - The Retreat to Commitment. Alfred A. Knopf New York 1962, p. 4