A weak man has doubts before a decision. A strong man has them afterwards.

Karl Kraus

by Oskar Kokoschka

Karl Kraus (April 28, 1874 – June 12, 1936) was an Austrian writer and journalist, known as a satirist, essayist, aphorist, playwright and poet. He is regarded as one of the foremost German-language satirists of the 20th century, especially for his witty criticism of the press, German culture, and German and Austrian politics.

http://en.wikipedia.org/wiki/Karl_Kraus