“As long as Germany declares the Jews to be an inferior race, poisoning and persecuting them, decent, self-respecting Jews cannot deal with Germany in any way, buy or sell or maintain any manner of commerce with Germany or travel on German Boats.”
With this clarion call born of principle and necessity, a respected Rabbi and leader of the American Jewish community of the early 1930’s called for an absolute boycott of German goods as the “duty of all self-respecting Jews.”
Source: Seeking justice in the name of hate: In Defence of BDS – Pearls and Irritations