Edward T. Hall livre Le Langage silencieux
Time talks. It speaks more plainly than words. The message it conveys comes through loud and clear. Because it is manipulated less consciously, it is subject to less distortion than the spoken language. It can shout the truth where words lie.
en
Le Langage silencieux (1959), Chapitre 1 : La voix du temps (The Voices of Time)