This very wide difference between the functions of a political philosopher and a practical political leader is the reason why the qualifications necessary for both functions are scarcely ever found associated in the same person. This applies especially to the so-called successful politician of the smaller kind, whose activity is indeed hardly more than practising the art of doing the possible, as Bismarck modestly defined the art of politics in general. If such a politician resolutely avoids great ideas his success will be all the easier to attain; it will be attained more expeditely and frequently will be more tangible. By reason of this very fact, however, such success is doomed to futility and sometimes does not even survive the death of its author. Generally speaking, the work of politicians is without significance for