"The outbreak of the war had nothing to do with individuals. The war had deep roots, including the disruptive effects of rapid industrialization in old feudal societies. ... Experience in the Balkans had taught us that a state can be born in war, and also can be destroyed in war. We wanted to destroy Austria-Hungary."
January 1, 1970
https://en.wikiquote.org/wiki/Vaso_%C4%8Cubrilovi%C4%87