Communism is Jewish (Marx). Modern social democracy has moved far apart from the earlier socialism, precisely because Jews have taken so large a share in developing it. In spite of the associative element in it, the Marxian doctrine does not lead in any way towards the State as a union of all the separate individual aims, as the higher unit combining the purposes of the lower units. Such a conception is as foreign to the Jew as it is to the woman.

Otto Weininger (Jewish author) “Sex and Character”, 1903