When she found herself seated next to some one whom she did not know, as she was at this moment next to Mme. de Franquetot, she suffered acutely from the feeling that her own consciousness of her Guermantes connection could not be made externally manifest in visible character like those which, in the mosaics in Byzantine churches, placed one beneath another, inscribe in a vertical column by the side of some Sacred Personage the words which he is supposed to be uttering.