“And having on one occasion said in her hearing that M. de Charlus has at that moment a warm regard for a certain person, I was astonished to see appear in the Princess’s eyes that momentary change of colour, like the line of a fissure in the pupil, which is due to a thought which our words have unconsciously aroused in the mind of the person to whom we are talking, a secret thought that will not find expression in words but will rise from the depths we have stirred to the surface – altered for an instant – of his gaze.”