Nei manuali di fisica si trovano solo le risposte ai problemi, le domande si sono perse per strada.
There are things wich cannot be explained without beautiful stories, because stories give you enough space and freedom, enough gaps for you to fill with your being. Prose is too tight and too mundane, so either poetry has to be used or a story has to be used. These stories are such that even a small child may be able to understand, or even an old man may not be able to understand; the question is whether he gets the undercurrent of the story.