Blood and Iron (German: Blut und Eisen) is the title of a speech by Minister President of Prussia Otto von Bismarck given in 1862 about the unification of the German territories. It is also a transposed phrase that Bismarck uttered near the end of the speech that has become one of his most widely known quotations.
who is known as man of blood and iron
Minister President of Prussia Otto von Bismarck