Old people, with other old people, are not so old.
Gabriel Garcia Marquez
In journalism just one fact that is false prejudices the entire work. In contrast, in fiction one single fact that is true gives legitimacy to the entire work. That's the only difference, and it lies in the commitment of the writer. A novelist can do anything he wants so long as he makes people believe in it.
A lost bird appeared in the court and was half an hour jumping around between the spikenard. It sang a progressive note, rising an octave at a time, until it became so acute that it was necessary to imagine it.