Only a fool learns from his own mistakes. The wise man learns from the mistakes of others.
Otto von Bismarck
Otto Eduard Leopold von Bismarck, Count of Bismarck-Schönhausen, Duke of Lauenburg, Prince of Bismarck (April 1, 1815 – July 30, 1898), was a Prussian and German statesman of the 19th century. As Minister-President of Prussia from 1862–90, he oversaw the unification of Germany. From 1867 on, he was Chancellor of the North German Confederation. When the second German Empire was formed in 1871, he served as its first Chancellor and practiced Realpolitik which gained him the nickname “Iron Chancellor”. As Chancellor, Bismarck held an important role in German government and greatly influenced German and international politics both during and after his time of service[1]