For, though among the Jews the instinct of self-preservation has not been weaker but has been much stronger than among other peoples, and though the impression may easily be created that the intellectual powers of the Jew are at least equal to those of other races, the Jews completely lack the most essential pre-requisite of a cultural people, namely the idealistic spirit. With the Jewish people the readiness for sacrifice does not extend beyond the simple instinct of individual preservation. In their case the feeling of racial solidarity which they apparently manifest is nothing but a very primitive gregarious instinct, similar to that which may be found among other organisms in this world. It is a remarkable fact that this herd instinct brings individuals together for mutual protection only as long as there is a common danger