Nazism was a German form of Bolshevism. - François Furet

The fact that Communism and Fascism assigned contradictory roles to history and reason—the emancipation of the proletariat versus the domination of the Aryan race—mattered little.

Hitler did a better job than Stalin of accomplishing Lenin's totalitarian promises—better, too, than Mussolini.

What was new about Hitler and Stalin was what Friedrich Meinecke, in an attempt shortly after World War II to express his horror at Hitler’s moral nihilism, called a ‘ Machiavellianism of the masses'.