de Charlus, “I will stay here to learn his name and to confute the impostor.” “Who? Do you not know? Do you retain no memory of the things you say? Do you think that the people who do me the service of informing me of those things do not begin by demanding secrecy? And do you imagine that I am going to betray a person to whom I have given my promise?” “Sir, is it impossible then for you to tell me?” I asked, racking my brains in a final effort to discover (and discovering no one) to whom I could have spoken about M.