A little tap on the window pane, as though something had struck it, followed by a plentiful light falling sound, as of grains of sand being sprinkled… - Marcel Proust

Their arrogance protected them against any liking for their fellow-man, against the slightest interest in the strangers sitting all about them, amidst whom M. de Stermaria adopted the manner one has in the buffet-car of a train, grim, hurried, stand-offish, brusque, fastidious and spiteful, surrounded by other passengers whom one has never seen before, whom one will never see again and towards whom the only conceivable way of behaving is to make sure that they keep away from one's cold chicken and stay out of one's chosen corner-seat.

"So as not to see anything any more, I turned towards the wall, but alas, what was now facing me was that partition which used to serve us as a morning messenger, that partition which, as responsive as a violin in rendering every nuance of a feeling, reported so exactly to my grandmother my fear at once of waking her and, if she were already awake, of not being heard by her and so of her not coming, then immediately, like a second instrument taking up the melody, informing me of her coming and bidding me be calm. I dared not put out my hand to that wall, any more than to a piano on which my grandmother had been playing and which still vibrated from her touch. I knew that I might knock now, even louder, that nothing would wake her any more, that I should hear no response, that my grandmother would never come again. And I asked nothing more of God, if a paradise exists, than to be able, there, to knock on that wall with the three little raps which my grandmother would recognize among a thousand, and to which she would give those answering knocks which meant: "Don't fuss, little mouse, I know you're impatient, but I'm coming," and that he would let me stay with her throughout eternity, which would not be too long for the two of us."

each one of us is not a single person, but contains many persons who have not all the same moral value