„The cruelty of war makes for peace.“

— Statius

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„We make war that we may live in peace.“
— Aristotle
„The only way to abolish war is to make peace heroic.“
— John Dewey
„In peace, prepare for war. In war, prepare for peace.“
— Sun Tzu
„We must be prepared to make the same heroic sacrifices for the cause of peace that we make ungrudgingly for the cause of war.“
— Albert Einstein