" In New York, Italian Americans became symbols of success; one of these, the half-Jewish Fiorello LaGuardia, represented the state as a Republican in Congress. Another proud group were his cousins, the Jews, both the older German Jews and the newer East European Jews. Jews at the time had a general belief in charity and taking care of one another: “All Israel is responsible for one another.” In addition, they were aware of a specific history in New York; Peter Stuyvesant had asked the Dutch West India Company to ban Jewish settlement, but the company had allowed Jews to stay as long as the Jewish poor “be supported by their own nation.” The colonial Jews had pledged that they would, and the commitment was still alive. As late as the 1910s, philanthropist Jacob Schiff said that “a Jew would rather cut his hand off than apply for relief from non-Jewish sources. "

― Amity Shlaes , The Forgotten Man: A New History of the Great Depression