Every social organisation which is rooted in life still lasts a long time, even after the conditions from which it drew its strength have changed in a manner unfavourable to it.

Karl Bernhardovic Radek (Russian: Карл Бернга́рдович Ра́дек) (31 October 1885 – 19 May 1939) was a Marxist active in the Polish and German social democratic movements before World War I and an international Communist leader after the Russian Revolution.