A soldier sought shelter in the cook's tent during a dust storm that swept over the camp during war maneuvers. He noticed that the lid of the soup kettle was awry, permitting dust to blow into the soup and called it to the cooks attention.
"If you'd put that lid more firmly on that kettle, we wouldn't get so much dust and dirt with our soup," he said tartly.
"See here my young lad," said the cook angrily, "my business is to serve you food and Your business is to serve your country."
"Quite right. My business is to serve my country, but not to eat it."
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