1757年,普鲁士国王腓特烈大帝率领普军22000人,对阵法国苏比兹亲王率领的法奥联军42000人。最终普军以少胜多,这就是史上著名的罗斯巴赫会战。战后,一名被俘法国军官受邀与腓特烈共进早餐。席间,年轻军官询问大帝战胜秘诀,腓特烈放下餐刀说:“贵国元帅有二十个厨子却没有一个间谍,而我有一个厨子和二十个间谍。”这个例子足以说明间谍的重要作用,而在20世纪冷战之后,间谍 In 1757, the King of Prussia, Frederick the Great, led 22,000 generals and 42,000 French and Austrian forces led by Prince Suez. In the end, the general army has won less, which is the famous Rothbach battle in history. After the war, a captured French officer was invited to have breakfast with Frederick. At the same time, the young military officer inquired about the victory of the great master. Frederick put down his knife and said: “The commander of your country has twenty cooks but not one spy, and I have a cook and twenty spies.” This example is sufficient to illustrate The important role of spies, and in the 20th century after the Cold War, spies