Perhaps the pleasure one feels in writing is not the infallible test of the literary value of a page; perhaps it is only a secondary state which is often superadded, but the want of which can have no prejudicial effect on it. Perhaps some of the greatest masterpieces were written while yawning.
Marcel ProustFor each illness that doctors cure with medicine, they provoke ten in healthy people by inoculating them with the virus that is a thousand times more powerful than any microbe: the idea that one is ill.
Marcel Proust