“What is most impressive about this book ... is its author's receptivity to new ideas, and his willingness, one suspects even his eagerness, not to abandon his beliefs, but to test them in the light of new theories and new evidence. ... It is precisely the simple and direct quality of his seeking that should make Norman Thomas's reassessment of particular value to young people who wish to know not just how a distinguished American defines socialism today, but what qualities of mind define youth and vigor even in one chronologically old.”– Saturday Review