de Charlus had 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 which we have stirred to the surface⁠—altered for an instant⁠—of his gaze. But if my remark had moved the Princess, I did not then suspect in what fashion.