"The Jewish people have suffered many (spiritual) plagues -- the Sadducees, [[Karaite Judaism|Karaites]], [[Hellenisers]], [[Shabbatai Zvi]], [[Enlightenment]], [[Reform ]] and many others. But the strongest of them all is [[Zionism]]."
This hideous strength was later explained by his son, the Brisker Rav, Rabbi Velvel Soloveichik (1886-1960) as being due to the Zionists having "attacked the center point of Judaism.