Persuade yourself that there are blind men and deaf men in your audience whom you must move, interest and persuade! Your inflection must become pantomime to the blind, and your pantomime, inflection to the deaf.
The mouth plays a part in everything evil which we would express, by a grimace which consists of protruding the lips and lowering the corners. If the grimace translates a concentric sentiment, it should be made by compressing the lips.
Conscious menace--that of a master to his subordinate--is expressed by a movement of the head carried from above downward.
Impotent menace requires the head to be moved from below upward.
Any interrogation made with crossed arms must partake of the character of a threat.
When two limbs follow the same direction, they cannot be simultaneous without an injury to the law of opposition. Therefore, direct movements should be successive, and opposite movements should be simultaneous.