In Search of Lost Time [volumes 1 to 7]

by Marcel Proust

Now, even when a political truth does take the form of written documents, it is seldom that these have any more value than a radiographic plate on which the layman imagines that the patient’s disease is inscribed in so many words, when, as a matter of fact, the plate furnishes simply one piece of material for study, to be combined with a number of others, which the doctor’s reasoning powers will take into consideration as a whole and upon them found his diagnosis.