Jewish religiosity is not, as many people think, a matter of an admittedly special dignity but an otherwise negligible moment for the so-called 'solution of the Jewish question." It is, rather, now as always, the only matter of unconditional moment for Judaism—motive power of its fate, guidepost to its destiny, a force whose upsurging blaze would restore it to new life and whose total extinction would deliver it to death. Renewal of Judaism means in reality renewal of Jewish religiosity….