• You should not only have attention to everything, but a quickness of attention, so as to observe at once all the people in the room--their motions, their looks and their words--and yet without staring at them and seeming to be an observer.

    Lord Chesterfield: You should not only have attention to everything, but a quickness of attention, so as to observe at once all the people in the room--their motions, their looks and their words--and yet without staring at them and seeming to be an observer.
    Lord Chesterfield, David Roberts (2008). “Lord Chesterfield's Letters”, p.20, Oxford University Press