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In itself, the practice of deception is not particularly exacting; it is a matter of experience, of professional expertise, it is a facility most of us can acquire.

John le Carre (2001). “The Spy Who Came In from the Cold”, p.120, Simon and Schuster
In itself, the practice of deception is not particularly exacting; it is a matter of experience, of professional expertise, it is a facility most of us can acquire.