When the lips are closed, then the heart begins to speak; when the heart is silent, then the soul blazes up, bursting into flame, and this illuminates the whole of life. It is this idea which demonstrates to the mystic the great importance of silence, and this silence is gained by repose. Most people do not know what repose means, because it is something they feel they need when they are tired, while if they were not tired they would never see the necessity for it.