The uneasiness of silence does not come from the silence itself but about what it reveals. A retreatant comes to a charterhouse in order to encounter God, and he begins by encountering an unexpected person: himself. The surprise is not particularly pleasant.
…
When a candidate comes to make a retreat with us, many memories rise again to the surface. They have been in him for a long time, covered up by the noises of life. When the commotion stops, he can no longer escape, and he understands that the silence and solitude of the cell that he perceived as a place of rest are also a place of trial where he will have to face the most difficult combat: the battle with himself.
The Power of Silence: Against the Dictatorship of Noise
Cardinal Robert Sarah, Nicolas Diat