"I do not know when I have read a book which I felt profited me as much." --Theodore Roosevelt "Seminal for American political thinking."--Felix Frankfurter "[A] political classic which announced the end of the Age of Innocence with its romantic faith in American destiny and inaugurated the process of self-examination."--Walter Lippmann "As comprehensive and progressive a statement of American political ideas and ideals as I have found."--Learned Hand