"The secret is not to betray your ignorance. Just maneuver, avoid the quicksands and obstacles, and the rest can be found in a dictionary."

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Let's say a Soviet exchange student back in the '70s would go back and tell the KGB about people and places and things that he'd seen and done and been involved with. This is not really espionage; there's no betrayal of trust.

— Aldrich Ames