The whole thing would be more like a ghastly farce if it did not constitute so grave a danger for human civilization, if it were not corrupting the souls and hopelessly addling the brains of a whole generation of the German people. For it is clear today that they will act according to their myths. They have begun. The scapegoat is being slain; the Jew is crucified.As quoted by Daniel Goldhagen in Hitler's Willing Executioners.
The "whole thing" Lewisohn alludes to is the dolchstoss legend of post WWI Germany.