„Whenever you have to deal with a boy who is a rebel, remember that you must not fail at some time or other to get him to face the question, Are you going to be a fighter or a quarreller?“
— Kurt Hahn German educator 1886 - 1974
Quoted by Sir Robert Birley in Kurt Hahn: A Life Span in Education and Politics, ed. Herman Röhrs, 1966, tr. 1970, ISBN 0710068859, Foreword, p. xv.