The religious teaching of the Jews is principally a collection of instructions for maintaining the Jewish blood pure and for regulating intercourse between Jews and the rest of the world: that is to say, their relation with non-Jews. But the Jewish religious teaching is not concerned with moral problems. It is rather concerned with economic problems, and very petty ones at that. In regard to the moral value of the religious teaching of the Jews there exist and always have existed quite exhaustive studies (not from the Jewish side; for whatever the Jews have written on this question has naturally always been of a tendentious character) which show up the kind of religion that the Jews have in a light that makes it look very uncanny to the Aryan mind. The Jew himself is the best example of the kind of product which this