If, like me, you are setting out to achieve something that seems at this moment impossible, something that simply can't be done, I direct your attention to this quote from Thomas Powers:
"The composer Stravinsky had written a new piece. After it had been in rehearsal for several weeks, the solo violinist came to Stravinsky and said he was sorry, he had tried his best, the passage was too difficult, no violinist could play it. Stravinsky said, 'I understand that. What I am after is the sound of someone trying to play it.'"