But while I was uttering them I felt that they were already superfluous, for from the beginning of my speech of thanks, with its chilling ardour, I had seen flitting across the face of the Ambassador an expression of hesitation and dissatisfaction, and in his eyes that vertical, narrow, slanting look (like, in the drawing of a solid body in perspective, the receding line of one of its surfaces), that look which one addresses to the invisible audience whom one has within oneself at the moment when one is saying something that one's other audience, the person whom one has been addressing—myself, in this instance—is not meant to hear.