Who was Otto von Bismarck and what did he say?

Otto von Bismark was a German aristocrat and politician. He became the Prime Minister of Prussia in 1862 and the First Chancellor of Germany in 1871. He had many famous quotes. Here are a few:

Politics is not an exact science... but an art.

Not by speeches and votes of the majority, are the great questions of the time decided - that was the error of 1848 and 1849

• but by iron and blood.

Preventive war is like committing suicide for fear of death.